Study sets matching "term:molecules compounds = formed when two or more atoms bond with each other; also know as chemical substances"

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Study sets matching "term:molecules compounds = formed when two or more atoms bond with each other; also know as chemical substances"

7 terms
2.1 Atoms, Ions, and Molecules
atom
element
compound
ion
smallest basic unit of matter
a type of atom that cannot be broken down into simpler substa…
a substance made of atoms of different elements bonded together
an atom that has gained or lost one or more electrons
atom
smallest basic unit of matter
element
a type of atom that cannot be broken down into simpler substa…
42 terms
TJC Paramedic Ch.7 Atoms, Molecules, and Chemical Bonds
Matter
Elements
Atoms
protons
Anything that takes up space and has mass
Fundamental substances that compose matter
The smallest complete units of an element that have the eleme…
Single, positively charged particles inside the nucleus of an…
Matter
Anything that takes up space and has mass
Elements
Fundamental substances that compose matter
21 terms
8G Chemical Interactions: Chapter 2 Chemical Bonds and Compounds
chemical formula
subscript
compound
properties of compounds
A combination of chemical symbols and numbers to represent a…
A number in a chemical formula that tells the number of atoms…
A substance made up of atoms of two or more different element…
usually very different from the properties of the elements th…
chemical formula
A combination of chemical symbols and numbers to represent a…
subscript
A number in a chemical formula that tells the number of atoms…
17 terms
Chemical Bonding: Covalent Bond
Element
Compound
Molecule
Chemical Formula
A substance that cannot be broken down into a simpler substan…
A substance made up of two or more different types of atoms b…
A group of atoms that are held together by covalent bonds. El…
Uses chemical symbols to represent the atoms of the elements…
Element
A substance that cannot be broken down into a simpler substan…
Compound
A substance made up of two or more different types of atoms b…
12 terms
2.3 Chemical Bonds, Chemical Reactions, Molecules and Compounds
Molecules
Compound
Chemical Reactions
Electron Shells
When two or more atoms combine chemically.
When two or more different atoms bind together to for a molec…
Occur whenever atoms combine with or dissociate from other at…
Electrons occupy orbit or generally fixed regions of space ar…
Molecules
When two or more atoms combine chemically.
Compound
When two or more different atoms bind together to for a molec…
21 terms
Chemical Equations with some Bonding Review
Ion
Law of Conservation of Mass
Isotopes
Synthesis
An atom that has a positive or negative net electric charge d…
Matter cannot be created or destroyed in any chemical reaction
Atoms of the same element that have different numbers of NEUT…
A+B= AB
Ion
An atom that has a positive or negative net electric charge d…
Law of Conservation of Mass
Matter cannot be created or destroyed in any chemical reaction
21 terms
Chemical Bonding: Ionic Bond
Element
Compound
Molecule
Chemical Formula
A substance that cannot be broken down into a simpler substan…
A substance made up of two or more different types of atoms b…
A group of atoms that are held together by covalent bonds so…
Uses chemical symbols to represent the atoms of the elements…
Element
A substance that cannot be broken down into a simpler substan…
Compound
A substance made up of two or more different types of atoms b…
22 terms
Chemical Bonding
Element
Compound
Molecule
Chemical Formula
A substance that cannot be broken down into a simpler substan…
A substance made up of two or more different types of atoms b…
A group of atoms that are held together by covalent bonds so…
Uses chemical symbols to represent the atoms of the elements…
Element
A substance that cannot be broken down into a simpler substan…
Compound
A substance made up of two or more different types of atoms b…
16 terms
Atoms, Molecules, and Chemical Bonds
Chemical bond
Chemical Formula
Compound
Covalent bond
Force that holds two atoms together.
Combination of chemical symbols and numbers that indicates wh…
Pure substance that contains two or more elements.
Chemical bond formed when atoms share electrons.
Chemical bond
Force that holds two atoms together.
Chemical Formula
Combination of chemical symbols and numbers that indicates wh…
36 terms
Molecules, Compounds, and Chemical Equations
Ionic Bond
Covalent Bond
Chemical Formula
Empirical Formula
Formed when one or more electrons are transferred from one at…
A chemical bond that involves sharing a pair of electrons bet…
A combination of chemical symbols and numbers to represent a…
A formula showing the lowest whole number ratio of atoms in a…
Ionic Bond
Formed when one or more electrons are transferred from one at…
Covalent Bond
A chemical bond that involves sharing a pair of electrons bet…
Covalent Bonds, Molecules, and molecular compounds
Covalently bonded molecule
Molecular compounds
Molecular formula
Structural formula
sharing of electrons between atoms
most molecules are called this and are composed of two or mor…
Chemical constituents of a molecule and their rations are rep…
this is complementary to its molecular formula and exhibits n…
Covalently bonded molecule
sharing of electrons between atoms
Molecular compounds
most molecules are called this and are composed of two or mor…
27 terms
Combo with "Atoms and Bonding, Interactive Science, Chapter 4" and 1 other
chemical bond
ion
polyatomic ions
ionic compound
is the force of attraction that holds atoms together as a res…
is an atom or a group of atoms that has an eletrical charge.
ions that are made of more than 1 atom.
is made up of positive and negative ions.
chemical bond
is the force of attraction that holds atoms together as a res…
ion
is an atom or a group of atoms that has an eletrical charge.
The Name is Bond........ Mod 6
Chemical Bond
Ionic Bond
Covalent Bond
Metallic Bond
the force that holds atoms together to form molecules and com…
a chemical bond between positive and negative ions. It is a w…
a chemical bond formed when atoms share electrons. It is a st…
a bond formed by the attraction between positive and metal io…
Chemical Bond
the force that holds atoms together to form molecules and com…
Ionic Bond
a chemical bond between positive and negative ions. It is a w…
33 terms
Science Chapter 4
Valence Electrons
Electron Dot Diagram
Chemical Bond
Ion
Electrons that have the highest energy. They are found on the…
Includes the symbol of the atom and it valence electrons
The force of attraction that holds atoms together as a result…
An atom or molecule (group of atoms) that has a electrical ch…
Valence Electrons
Electrons that have the highest energy. They are found on the…
Electron Dot Diagram
Includes the symbol of the atom and it valence electrons
Chemical bond
valence electrons
octet rule
electron dot structure
ionic compound
is an electron that is associated with an atom, and that can…
states that elements gain or lose electrons to attain an elec…
valence electrons are represented by dots placed around the c…
a compound formed by ions bonding together through electrosta…
valence electrons
is an electron that is associated with an atom, and that can…
octet rule
states that elements gain or lose electrons to attain an elec…
32 terms
Chemical Bonding Ionic and Covalent Bond
Element
Compound
Molecule
Chemical Formula
A substance that cannot be broken down into a simpler substan…
A substance made up of two or more different types of atoms b…
A group of atoms that are held together by covalent bonds. El…
Uses chemical symbols to represent the atoms of the elements…
Element
A substance that cannot be broken down into a simpler substan…
Compound
A substance made up of two or more different types of atoms b…
08SCI, Chapter 11, Lesson 2 - Compounds, Chemical Formulas, and Covalent Bonds
Chemical Bond
Covalent Bond
Noble Gas Electron Arrangement
shared electrons
a force that holds atoms together in a compound
a chemical bond formed when two atoms share one or more pairs…
when the valence electron shell is full, either 2 or 8 electr…
These electrons "count" for each atom in a covalent compound…
Chemical Bond
a force that holds atoms together in a compound
Covalent Bond
a chemical bond formed when two atoms share one or more pairs…
10 terms
Compounds
compounds
chemical formula
subscripts
no subscript
Compounds are pure substances that are composed of two or mor…
shows the different atoms that compose the compound..
show how many of each kind of atom are in the compound. This…
only one atom of each element such as salt NaCl
compounds
Compounds are pure substances that are composed of two or mor…
chemical formula
shows the different atoms that compose the compound..
53 terms
Biological Molecules- AS & A Level
Organic molecules
Macromolecule
Polymers
Monomers
contain skeleton structures of carbon with hydrogen and oxygen
A very large organic molecule composed of many smaller molecu…
Large compound formed from combinations of many monomers.
single unit building blocks of larger molecules
Organic molecules
contain skeleton structures of carbon with hydrogen and oxygen
Macromolecule
A very large organic molecule composed of many smaller molecu…
31 terms
Chemical Bonding Long version
bond energy
chemical bond
ionic bond
covalent bond
energy released when a chemical bond is formed, also, the amo…
force that holds groups of two or more atoms together and mak…
electrical attraction between cations and anions, electrons a…
bonding between two atoms due to shared pair(s) of electrons
bond energy
energy released when a chemical bond is formed, also, the amo…
chemical bond
force that holds groups of two or more atoms together and mak…
21 terms
CH5 Molecules and Compounds
law of constant composition
chemical formula
polyatomic ions
empirical formula
all samples of a given compound have the same proportion of t…
indicates the elements present in the compound and the relati…
groups of atoms that act as a unit
the simplest whole number ration of atoms of each element in…
law of constant composition
all samples of a given compound have the same proportion of t…
chemical formula
indicates the elements present in the compound and the relati…
41 terms
Combo with "Atoms and Bonding, Interactive Science, Chapter 4" and 1 other
valence electrons
electron dot diagram
chemical bond
ion
are electrons that have the highest energy
includes the symbolmfor the element surrounded by dots.
is the force of attraction that holds atoms together as a res…
is an atom or a group of atoms that has an eletrical charge.
valence electrons
are electrons that have the highest energy
electron dot diagram
includes the symbolmfor the element surrounded by dots.
Chemical Bonding
types of bonds
ionic bond (definition)
ionic bond (description)
ionic bond (types of elements)
ionic and covalent
bond formed when one or more electrons are transfered from on…
a chemical bond resulting from the attraction between opposit…
metals with nonmetals
types of bonds
ionic and covalent
ionic bond (definition)
bond formed when one or more electrons are transfered from on…
25 terms
How Atoms Form Compounds
Compounds
chemical formula
molecule
law of definite proportions
chemical combinations of elements with properties that are di…
contains atomic symbols and subscripts to show the elements a…
a neutral particle that forms as a result of electron sharing
a pure compound will always contain the same elements in the…
Compounds
chemical combinations of elements with properties that are di…
chemical formula
contains atomic symbols and subscripts to show the elements a…
Chapter 20 Section 1 & 2
ion
ionic bond
covalent bond
molecule
atom that has lost or gained electrons
the force of attraction between the opposite charges of the i…
the attraction that forms between atoms when they share elect…
a particle that forms as a result of electron sharing
ion
atom that has lost or gained electrons
ionic bond
the force of attraction between the opposite charges of the i…
35 terms
Chemical Bonding Ionic and Covalent Bond
Chemical Formula
Subscript
Halogens
Noble Gases
Uses chemical symbols to represent the atoms of the elements…
A number written to the right of the chemical symbol and slig…
The elements in Group 17. They are very reactive nonmetals th…
The elements in Group 18. They almost never react with any ot…
Chemical Formula
Uses chemical symbols to represent the atoms of the elements…
Subscript
A number written to the right of the chemical symbol and slig…
Chemical Reactions, Chemical Reactions
Precipitate
Bubbles
Other Signs of a Chemical Reaction
Law of Conservation of Mass
Solid compound produced from 2 liquids during a chemical reac…
Gas given off during a chemical reaction; may or may not have…
light, heat, color change, new substance exists
Mass cannot be created nor destroyed; Mass can only change fo…
Precipitate
Solid compound produced from 2 liquids during a chemical reac…
Bubbles
Gas given off during a chemical reaction; may or may not have…
13 terms
Science 7.2
Molecules
Chemical Change
Compound
Chemical Formula
atoms may join with other atoms to form units that are called
Process that joins together different types of atoms
Substance formed as a result of a chemical change or is 2 or…
the atomic symbols and numbers used to abbreviate the name of…
Molecules
atoms may join with other atoms to form units that are called
Chemical Change
Process that joins together different types of atoms
Biology study guide #2
chemical bonds
Valence Shell
Ionic bond
positive charge
The atoms in compounds are held together by
The atoms in compounds are held together by...... and also de…
formed when one or more electrons are... transferred from one at…
An atom that loses electrons
chemical bonds
The atoms in compounds are held together by
Valence Shell
The atoms in compounds are held together by...... and also de…
23 terms
Chemical Bonding (ionic and covalent)
Element
Compound
Molecule
Chemical Formula
A substance that cannot be broken down into a simpler substan…
A substance made up of two or more different types of atoms b…
A group of atoms that are held together by covalent bonds. El…
Uses chemical symbols to represent the atoms of the elements…
Element
A substance that cannot be broken down into a simpler substan…
Compound
A substance made up of two or more different types of atoms b…
37 terms
Biology Concepts and Connections Chapter 2
Element
Compound
Proton
Electron
A substance that cannot be broken down to other substances by…
A substance containing two or more elements in a fixed ratio.
A particle with a polite charge, found in the nucleus of an a…
A particle with a single negative electrical charge. One or m…
Element
A substance that cannot be broken down to other substances by…
Compound
A substance containing two or more elements in a fixed ratio.
22 terms
Chemical Bonding: Covalent Bond
Element
Compound
Molecule
Chemical Formula
A substance that cannot be broken down into a simpler substan…
A substance made up of two or more different types of atoms b…
A group of atoms that are held together by covalent bonds. El…
Uses chemical symbols to represent the atoms of the elements…
Element
A substance that cannot be broken down into a simpler substan…
Compound
A substance made up of two or more different types of atoms b…
24 terms
Chemical Bonding
covalent bond
ionic bond
metallic bond
ion
a bond between two atoms that is formed by shared electrons.…
a bond between two atoms that is formed by transferred electr…
a bond between two metal atoms. Atoms in a chunk of metal all…
a charged particle formed when an atom gains or loses one or…
covalent bond
a bond between two atoms that is formed by shared electrons.…
ionic bond
a bond between two atoms that is formed by transferred electr…
17 terms
Atoms & the Periodic Table Vocabulary
Neutron
Proton
Atomic Number
Nucleus
A subatomic particle that makes up an atom and is neutral or…
A subatomic particle that makes up an atom and is Positively…
The number of protons in an atom of a specific element. The n…
The small, dense, center of an atom.
Neutron
A subatomic particle that makes up an atom and is neutral or…
Proton
A subatomic particle that makes up an atom and is Positively…
30 terms
Rich C. Chemistry Midterms
periodic tables
metals
non-metals
metalloids
Arranges all the known elements in a chart of rows and column…
Any of various opaque, fusible, ductile, and typically lustro…
Elements that are not shiny, and do not conduct heat and elec…
elements that share some properties with metals and some prop…
periodic tables
Arranges all the known elements in a chart of rows and column…
metals
Any of various opaque, fusible, ductile, and typically lustro…
34 terms
Atoms & the Periodic Table
92 electrons
146 neutrons
Uranium-238
isotope
How many electrons Uranium-238 contains
How many neutrons Uranium-238 contains
An isotope of uranium
a type of atom that is radioactive because it has more neutro…
92 electrons
How many electrons Uranium-238 contains
146 neutrons
How many neutrons Uranium-238 contains
23 terms
Modern Chemistry: Section 6.2 - Covalent Bonding and Molecular Compounds Culler
molecule
molecular compound
chemical formula
Molecular formula
a neutral group of atoms that are held together by covalent b…
molecules that are the simplest units of a chemical compound
indicates the relative number of atoms of each kind in a chem…
shows the types and numbers of atoms combined in a single mol…
molecule
a neutral group of atoms that are held together by covalent b…
molecular compound
molecules that are the simplest units of a chemical compound
17 terms
Atomic Structure and Chemical Bonds Ch 16
atom
electron cloud
energy level
electron dot diagram
the smallest part of an element that keeps all the properties…
the area of space around the nucleus where the electrons travel
the different areas for an electron in an atom - closer to th…
symbol for the element surrounded by dots that represent the…
atom
the smallest part of an element that keeps all the properties…
electron cloud
the area of space around the nucleus where the electrons travel
7 terms
2.1 Atoms, Ions, and Molecules
Atom
Element
Compound
Ion
Smallest basic unit of matter.
Substance made of only one type of atom that cannot be broken…
Substance made of atoms of different elements that are bounde…
Atom that has gained or lost one or more electrons.
Atom
Smallest basic unit of matter.
Element
Substance made of only one type of atom that cannot be broken…
Ch. 22 Chemical Bonds
chemical formula
ion
chemical bond
ionic bond
tells what elements a compound contains and the exact number…
charged particle because it now has either more or fewer elec…
force that holds atoms together in a compound
Force of attraction between the opposite charges of the ions…
chemical formula
tells what elements a compound contains and the exact number…
ion
charged particle because it now has either more or fewer elec…
Chemistry: Chemical Bonding
chemical bond
covalent bond
ionic bond
ion
an attractive force between atoms or ions that occurs when at…
a chemical bond formed by atoms that are sharing one or more…
a chemical bond in which one atom loses an electron to form a…
a particle that has an electric charge other than zero, creat…
chemical bond
an attractive force between atoms or ions that occurs when at…
covalent bond
a chemical bond formed by atoms that are sharing one or more…
20 terms
Biology - Atoms & Molecules
Isotopes
Compound
Chemical Bonds
Ionic Bonds
Atoms of the same element with different numbers of neutrons.
Substance made up of 2 or more elements chemically combined.
Atoms combine with each other in order to fill up their outer…
Formed when one atom donates electrons to another atom. Stron…
Isotopes
Atoms of the same element with different numbers of neutrons.
Compound
Substance made up of 2 or more elements chemically combined.
16 terms
Chemical Bonds Honors Week 2 Vocabulary
chemical formula
chemical bond
compound
molecule
Chemical shorthand that uses symbols to tell what elements ar…
Attractive force that holds atoms or ions together in a compo…
Substance formed from two or more elements in which the exact…
A neutral particle that forms as a result of electron sharing.
chemical formula
Chemical shorthand that uses symbols to tell what elements ar…
chemical bond
Attractive force that holds atoms or ions together in a compo…
23 terms
Chemical Bonding Ionic and Covalent Bond
Element
Compound
Molecule
Chemical Formula
A substance that cannot be broken down into a simpler substan…
A substance made up of two or more different types of atoms b…
A group of atoms that are held together by covalent bonds. El…
Uses chemical symbols to represent the atoms of the elements…
Element
A substance that cannot be broken down into a simpler substan…
Compound
A substance made up of two or more different types of atoms b…
16 terms
Chemical Bonds
Chemical Bond
Chemical Compound
Ionic Bond
Covalent Bond
force that holds atoms together in a compound
when 2 or more atoms combine together
a bond formed between a metal and a nonmetal due to the trans…
a bond formed from the sharing of electrons between two atoms
Chemical Bond
force that holds atoms together in a compound
Chemical Compound
when 2 or more atoms combine together
40 terms
Chemistry 2 Chapter 12 Chemical Bonding
Lewis dot
Octet Rule
Duet Rule
Chemical Bond
consists of the symbol of an element and one dot for each val…
atoms react by gaining or losing electrons so as to acquire t…
Some elements are the most stable with their first orbital fi…
The force that holds two atoms together
Lewis dot
consists of the symbol of an element and one dot for each val…
Octet Rule
atoms react by gaining or losing electrons so as to acquire t…
26 terms
BC science probe 10 chapter 7
Elements
Compounds
Subatomic particles
Protons
Simplest, 1 kind of atom... Eg. Oxygen and silver
2 or more elements (different atoms) chemically combined in a…
Protons, neutrons and electrons
Positive charge (in nucleus)... Mass=1 atomic mass unit (amu or u)
Elements
Simplest, 1 kind of atom... Eg. Oxygen and silver
Compounds
2 or more elements (different atoms) chemically combined in a…
12 terms
Chapter 22 terms
Ion
Chemical formula
Chemical bond
Covalent bond
An atom that has lost or gained electrons.
A formula that what element and how many atoms of each elemen…
the force that holds two atoms together
A chemical bond formed when two atoms share electrons
Ion
An atom that has lost or gained electrons.
Chemical formula
A formula that what element and how many atoms of each elemen…
Atoms to Molecules Chapter 2 Science
atoms
sodium
single
molecule
____________ are the the building blocks of molecules.
Table salt is a combination of ______________ & chlorine
Gold is made up of only a ___________ type of atom.
When 2 or more atoms combine with each other, they make a ___…
atoms
____________ are the the building blocks of molecules.
sodium
Table salt is a combination of ______________ & chlorine
18 terms
Chemical Bonding Ionic and Covalent Bond
Element
Compound
Molecule
Chemical Formula
A substance that cannot be broken down into a simpler substan…
A substance made up of two or more different types of atoms b…
A group of atoms that are held together by covalent bonds. El…
Uses chemical symbols to represent the atoms of the elements…
Element
A substance that cannot be broken down into a simpler substan…
Compound
A substance made up of two or more different types of atoms b…
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