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Study sets matching "atoms molecules ions"

52 terms
Atoms, Molecules and Ions
Atomic Theory Development: Plato and A…
Atomic Theory Development: Democritus
Atoms
Atomic Theory Development; John Dalton
Matter is continuous
Matter is made up of atoms (atomos is Greek for indivisble)
Building blocks of matter; smallest particle of an element th…
Developed the atomic theory
Atomic Theory Development: Plato and A…
Matter is continuous
Atomic Theory Development: Democritus
Matter is made up of atoms (atomos is Greek for indivisble)
11 terms
Atoms, Ions, and Molecules
atom
element
compound
ion
smallest basic unit of matter
A pure substance that cannot be broken down into any other su…
A substance made up of atoms of two or more different element…
An atom or group of atoms that has gained or lost one or more…
atom
smallest basic unit of matter
element
A pure substance that cannot be broken down into any other su…
46 terms
Atoms, Ions, and Molecules
element
6 elements make up 95% of human body
mineral
trace element
simplest form of matter to have unique chemical properties
H, N, O, C, P, Ca
inorganic element that comes from soil... we get it by plants w…
vital to cell function, only need small quantities
element
simplest form of matter to have unique chemical properties
6 elements make up 95% of human body
H, N, O, C, P, Ca
33 terms
Atoms, Ions, and Molecules
atom
energy levels
outermost energy level
compound
the smallest basic unit of matter
they can hold a certain amount of electrons
determines whether or not an atom can bond with other atoms
made of atoms of different elements bonded together
atom
the smallest basic unit of matter
energy levels
they can hold a certain amount of electrons
16 terms
Atoms, Ions, Molecules, Compounds & Mixtures
Matter
Atom
3 sub-atomic particles
Atomic number
A substance that has mass and occupies space.
A small neutral particle that makes up all substances in exis…
These make up an atom. They are neutrons, protons & electrons.
This tells us how many protons an atom of this element has. W…
Matter
A substance that has mass and occupies space.
Atom
A small neutral particle that makes up all substances in exis…
33 terms
Atoms, Ions, and Molecules
atom
energy levels
outermost energy level
compound
the smallest basic unit of matter
they can hold a certain amount of electrons
determines whether or not an atom can bond with other atoms
made of atoms of different elements bonded together
atom
the smallest basic unit of matter
energy levels
they can hold a certain amount of electrons
33 terms
Atoms, Ions, and Molecules
atom
energy levels
outermost energy level
compound
the smallest basic unit of matter
they can hold a certain amount of electrons
determines whether or not an atom can bond with other atoms
made of atoms of different elements bonded together
atom
the smallest basic unit of matter
energy levels
they can hold a certain amount of electrons
36 terms
Atoms, Molecules, and Ions Terms
Atoms
Subatomic Particles
The Law of Conservation of Mass
The Law of Multiple Proportions
The smallest unit of an element that can combine with other e…
These three chief components of an atom are protons, neutrons…
In a chemical or physical change, matter is neither created n…
If two elements A and B combine to form more than one compoun…
Atoms
The smallest unit of an element that can combine with other e…
Subatomic Particles
These three chief components of an atom are protons, neutrons…
56 terms
Atoms, Molecules, and Ions
Atomic Theory of Matter
Atomic Structure
Protons
Electrons
1. Each chemical element is made up of very small particles c…
Protons... Electrons... Neutrons
Positively charged... 1.0073 amu... Same mass of neutrons
Negatively charged... 5.486 x 10^-4 amu
Atomic Theory of Matter
1. Each chemical element is made up of very small particles c…
Atomic Structure
Protons... Electrons... Neutrons
77 terms
Atoms, Molecules, and Ions
Demokritos of Abdera and Leucippos
Alchemy
Georg Bauer
Paracelsus
Supports that matter was composed of small, indivisible aprti…
An ancient pseudoscience that was the precursor of chemistry;…
German who helped lay foundation for modern chemistry with th…
Swiss alchemist/physician who helped lay foundation for moder…
Demokritos of Abdera and Leucippos
Supports that matter was composed of small, indivisible aprti…
Alchemy
An ancient pseudoscience that was the precursor of chemistry;…
23 terms
Atoms, Molecules, and Ions
Atoms
Atomos (uncuttable)
Atoms
Chemical Reaction
Elements are composed of extremely small particles called ___…
All matter consists of very small, indivisible particles, nam…
All ______________ of a given element are identical, having t…
A _________________________ involves only the separation, com…
Atoms
Elements are composed of extremely small particles called ___…
Atomos (uncuttable)
All matter consists of very small, indivisible particles, nam…
13 terms
Atoms, Ions, and Molecules
energy level
first energy level
outermost energy level
compound
regions of the atom where electrons are
2 electrons
8 electrons, when full makes atom most stable
substance made of atoms of different elements bonded together…
energy level
regions of the atom where electrons are
first energy level
2 electrons
16 terms
Atoms, ions, and molecules
hydrogen bond
cohesion
adhesion
solution
Attraction between a slightly positive hydrogen atom and a sl…
Attraction between molecules of the same substance
An attraction between molecules of different substances
A homogeneous mixture of two or more substances
hydrogen bond
Attraction between a slightly positive hydrogen atom and a sl…
cohesion
Attraction between molecules of the same substance
15 terms
Atoms, Ions, and Molecules
atom
energy levels
outermost energy level
compound
the smallest basic unit of matter
they can hold a certain amount of electrons
determines whether or not an atom can bond with other atoms
made of atoms of different elements bonded together
atom
the smallest basic unit of matter
energy levels
they can hold a certain amount of electrons
39 terms
Atoms, Molecules, and Ions
Atoms
Law of Conservation of Mass
Law of Multiple Proportions
Law of Definite Composition
Building blocks of matter
Matter can not be created or destroyed, total mass stays the…
If two elements combine to form a compound, they will combine…
The results of a chemical reaction always contains the same p…
Atoms
Building blocks of matter
Law of Conservation of Mass
Matter can not be created or destroyed, total mass stays the…
34 terms
Atoms, Ions, and Molecules
Compounds
Electrons
Neutrons
Protons
Have constant proportions
Negative charge
Neutral charge
Positive charge
Compounds
Have constant proportions
Electrons
Negative charge
64 terms
atoms molecules ions
atom
lightest element
heaviest element
neutron
smallest particle
hydrogen
uranium
no charge neutral
atom
smallest particle
lightest element
hydrogen
24 terms
Atoms, Molecules, and Ions
Atoms
Protons
Atomic Number
Neutrons
The smallest component of an element having the chemical prop…
Located in the nucleus and have a positive (+) charge. They h…
the number of protons in the nucleus of an atom
A subatomic particle that has no charge and is found in the n…
Atoms
The smallest component of an element having the chemical prop…
Protons
Located in the nucleus and have a positive (+) charge. They h…
33 terms
Atoms, Ions, and Molecules
element
6 elements make up 95% of human body
atom
neutron
simplest form of matter to have unique chemical properties
H, N, O, C, P, Ca
smallest unit of matter that still maintains properties of th…
in nucleus, no charge, 1 amu
element
simplest form of matter to have unique chemical properties
6 elements make up 95% of human body
H, N, O, C, P, Ca
48 terms
Atoms, molecules and ions
law of conservation of mass
law of definite proportions
law of multiple proportions
avogadro hyposthesis
mass is neither created nor destroyed
a given compound always contains exactly the same proportions…
when 2 elements combine to form a series of compounds, the ra…
at the same temperature and pressure, equal volumes of differ…
law of conservation of mass
mass is neither created nor destroyed
law of definite proportions
a given compound always contains exactly the same proportions…
Atoms, Molecules, and Ions
Law of Conservation of Mass
Electrons
Proton
Neutron
Mass is neither created nor destroyed in a chemical reaction.
Negatively charged particles that move around the nucleus of…
A positively charged particle in an atomic nucleus
A particle in the atomic nucleus with mass virtually equal to…
Law of Conservation of Mass
Mass is neither created nor destroyed in a chemical reaction.
Electrons
Negatively charged particles that move around the nucleus of…
87 terms
Atoms, Molecules, and Ions
atomos
what did European chemists learn how t…
what did John Dalton do in the 1800s
Dalton's Atomic Theory (4 facets)
Early Greek philosophers (~400 BC) believed that "stuff" was…
how to measure the amount of elements that reacted with one a…
linked elements with the idea of atoms and developed the Atom…
1. Each element is composed of extremely small particles call…
atomos
Early Greek philosophers (~400 BC) believed that "stuff" was…
what did European chemists learn how t…
how to measure the amount of elements that reacted with one a…
9 terms
Atoms, Ions, and Molecules
Beta Radiation
Alpha Radiation
Gamma Radiation
Isotope
High energy, electrons, negative
Twice as much charge as beta and 10,000x more massive than be…
High frequency waves, dangerous, no charge
Beta Radiation
High energy, electrons, negative
Alpha Radiation
Twice as much charge as beta and 10,000x more massive than be…
69 terms
Atoms, Molecules, and Ions
Atoms
Dalton Atomic Theory can be summarized…
Proust's Law of Definite Proportions
Dalton's Law of Multiple Proportions
are the basic building blocks of matter.... They are the smalles…
1) Elements are composed of extremely small particles, called…
different samples of the same compound always contain its... con…
if two elements A and B combine to form more than one... compoun…
Atoms
are the basic building blocks of matter.... They are the smalles…
Dalton Atomic Theory can be summarized…
1) Elements are composed of extremely small particles, called…
Atoms, ions, and molecules
atom
An atom is made of 3 parts
Neutrons
Proton
Smallest unit of matter
Neutrons, protons, and electrons
Have no charge, electrically neutral, found in nucleus
Electrically positive, found in nucleus
atom
Smallest unit of matter
An atom is made of 3 parts
Neutrons, protons, and electrons
13 terms
atoms, ions and molecules
atom
Protons
Neutrons
Electrons
is the smallest basic unit of matter.
is a positively (+) charged particle in an atom's nucleus. Th…
has no electrical charge, has about the same mass as a proton…
is a negatively (-) charged particle found outside the nucleu…
atom
is the smallest basic unit of matter.
Protons
is a positively (+) charged particle in an atom's nucleus. Th…
128 terms
Atoms, ions and molecules
Valence electrons
Electrolyte
Valence electrons
Atomic number of atom
Outermost shell of an atom
Ion, mineral salt needed for nerve and muscle function
Outermost shell, determine bonding properties
Number of protons
Valence electrons
Outermost shell of an atom
Electrolyte
Ion, mineral salt needed for nerve and muscle function
23 terms
Atoms, Molecules, Ions, and Bonds
atom
electrons
ionic, covalent, and hydrogen
ionic bond
a nucleus of positively charged protons and neutrally charged…
Chemical bonds form from the interactions of their ______.
What are the three types of bonds?
bond in which one or more electrons are transferred
atom
a nucleus of positively charged protons and neutrally charged…
electrons
Chemical bonds form from the interactions of their ______.
Atoms, Molecules, and Ions
1st Law of conversion of mass
Nucleus
Proton
Electron
the total mass of a substance present at the end of a chemica…
part of atom that holds all the protons and neutrons
positively charged atom
negatively charged atom
1st Law of conversion of mass
the total mass of a substance present at the end of a chemica…
Nucleus
part of atom that holds all the protons and neutrons
8 terms
Atoms, Molecules, Ions, and Bonds
Atom
Molecules
Electronegativity
Ionic Bonds
Consists of a nucleus of "+" charged protons and neutrally ch…
Groups of 2 or more atoms held together by chemical bonds (fo…
Determines the kind of bond that forms .
Form between 2 atoms when 1 or more electrons are TRANSFERRED…
Atom
Consists of a nucleus of "+" charged protons and neutrally ch…
Molecules
Groups of 2 or more atoms held together by chemical bonds (fo…
20 terms
Atoms, Molecules and Ions
Matter
Atom
Element
Molecule
Anything that has mass and occupies space - can be pure subst…
The smallest particle of an element that can enter into a che…
A type matter that cannot be broken down imto two or more pur…
A combination of two or more atoms
Matter
Anything that has mass and occupies space - can be pure subst…
Atom
The smallest particle of an element that can enter into a che…
43 terms
Atoms, Molecules, and Ions; Stoichiometry
Homogeneous Matter
Homogeneous Mixture (Solution)
Pure Substance
Elements
Even distribution of material throughout the sample (includes…
Properties of materials vary... You can separate the component…
Element, Compound
Simplest form of matter... Made up of one kind of atom... Can't…
Homogeneous Matter
Even distribution of material throughout the sample (includes…
Homogeneous Mixture (Solution)
Properties of materials vary... You can separate the component…
52 terms
Chemistry; Atoms, Molecules, Ions
Fundamental Laws
Law of Multiple Proportions
Law of Conversion of Mass
Law of Definite Proportion
¹ Law of Multiple Proportions... ² Law of Conversion of Mass... ³ L…
John Dalton; English School Teacher... When 2 elements form a…
*Antoine Lavoisier; French Chemist who carefully weighed reac…
Proust's Law; John Proust... A chemical compound contains t…
Fundamental Laws
¹ Law of Multiple Proportions... ² Law of Conversion of Mass... ³ L…
Law of Multiple Proportions
John Dalton; English School Teacher... When 2 elements form a…
19 terms
Atoms, Molecules, and Ions
molecule
molecular compound
molecular formula
ion
smallest piece of a substance that retains the chemical prope…
compound that exists as molecules, with a precise and recogni…
gives exact numbers and types of atoms which form one complet…
one or more atoms chemically bound together, forming a partic…
molecule
smallest piece of a substance that retains the chemical prope…
molecular compound
compound that exists as molecules, with a precise and recogni…
16 terms
Atoms, Molecules, & Ions
How do you determine number of protons…
How to determined the number of neutro…
Isotopes
Valence Electrons
By the Atomic Number... Ex. Carbon, Atomic # is 6 ... There 6 proto…
Mass Number - Atomic Number (Protons) ... Ex. Gold mass #: 197... A…
Atoms of an elements with the same atomic number but with dif…
the electrons in the outer shell of an atom. ... Ex. Magnesium's…
How do you determine number of protons…
By the Atomic Number... Ex. Carbon, Atomic # is 6 ... There 6 proto…
How to determined the number of neutro…
Mass Number - Atomic Number (Protons) ... Ex. Gold mass #: 197... A…
18 terms
2 - Atoms, Molecules, and Ions
Law of Conservation of Mass
J.J. Thompson
Robert Millikan
James Chadwick
The total mass of substances on the products side of a reacti…
Discovered the electron, measure the charge-mass ratio of an…
Did the oil drop experiment, determined the charge of the ele…
Discovered the neutron
Law of Conservation of Mass
The total mass of substances on the products side of a reacti…
J.J. Thompson
Discovered the electron, measure the charge-mass ratio of an…
29 terms
Biology Atoms, Ions, Molecules
atom
element
compound
ion
the smallest unit of matter
a particular type of atom
something made up of atoms of different elements bonded toget…
an atom that has gained or lost one or more electrons
atom
the smallest unit of matter
element
a particular type of atom
16 terms
Atoms, Ions, and Molecules Vocabublary
element
atom
compound
proton
substances that cannot be chemically changed or broken down i…
smallest particle of an element that retains the chemical pro…
two or more elements chemically combined
found in the nucleus, positive charge
element
substances that cannot be chemically changed or broken down i…
atom
smallest particle of an element that retains the chemical pro…
28 terms
Atoms, Molecules, and Ions
What are the groups on the periodic ta…
Dalton's Atomic Theory
Nomenclature of Binary Molecular Compo…
What is the definition of a group on t…
one of the columns
What are the groups on the periodic ta…
Dalton's Atomic Theory
29 terms
Atoms, Ions, and Molecules
basic ingredients of the universe
matter
energy
Atoms
matter and energy
anything that has mass and takes up space; composed of atoms
ability to do work or cause change
composed of sub-atomic particles; neutrons, protons, and elec…
basic ingredients of the universe
matter and energy
matter
anything that has mass and takes up space; composed of atoms
59 terms
II. Atoms, Molecules and Ions
Law of conservation of Mass... A. The Ato…
Law of Multiple Proportions... A. The Ato…
1st Dalton Atomic Theory... A. The Atomic…
2nd Dalton Atomic Theory... A. The Atomic…
Matter can be neither created nor destroyed ... - In a reaction,…
If two elements A and B combine to form more than one compoun…
1. Each element is composed of extremely small particles call…
2. All atoms of a given element are identical, but the atoms…
Law of conservation of Mass... A. The Ato…
Matter can be neither created nor destroyed ... - In a reaction,…
Law of Multiple Proportions... A. The Ato…
If two elements A and B combine to form more than one compoun…
24 terms
Atoms and Molecules Polyatomic Ions
NH₄⁺
H₃O⁺
Hg₂²⁺
CH₃CO₂⁻
ammonium
hydronium
mercury (I)
acetate
NH₄⁺
ammonium
H₃O⁺
hydronium
18 terms
Atoms, Ions, and Molecules
Proton
Neutron
Electron
Atom
Positive- found in nucleus of atom
Neutral- found In nucleus of atom
Negative- outside of nucleus
Smallest basic unit of matter
Proton
Positive- found in nucleus of atom
Neutron
Neutral- found In nucleus of atom
44 terms
atoms, molecules, and ions (2)
law of conservation of mass
law of multiple proportions
subatomic particles
cathode rays
states that the total mass of materials present after a chemi…
states that if two elements A and B combine to form more than…
the smaller particles that compose an atom; protons, neutrons…
streams of electrons that are produced when a high voltage is…
law of conservation of mass
states that the total mass of materials present after a chemi…
law of multiple proportions
states that if two elements A and B combine to form more than…
33 terms
Atoms, Molecules, and Ions
What is Dalton's atomic theory?
What did JJ Thomson discover in 1897?
What did Robert Milikan discover in 19…
What is the mass of an electron?
-elements are composed of very small particles called atoms…
a stream of electrons(cathodray) by applying a potential thro…
he used Thomson's data to calculate the charge and mass of an…
1.6010^-19 C / 1.7610^8
What is Dalton's atomic theory?
-elements are composed of very small particles called atoms…
What did JJ Thomson discover in 1897?
a stream of electrons(cathodray) by applying a potential thro…
9 terms
Atoms, Molecules, Ions, and Bonds
Ionic Bonds
Ions
Covalent Bonds
Nonpolar Covalent Bonds
form between two atoms when one or more electorns are transfe…
an atom or molecule with a net electric charge due to the los…
form when electrons between atoms are shared, which menas tha…
from when elecrons are shared equally
Ionic Bonds
form between two atoms when one or more electorns are transfe…
Ions
an atom or molecule with a net electric charge due to the los…
20 terms
Atoms, Molecules, and Ions (Atomic Concepts)
Gold Foil Experiment
Models
Atomic states
Electron Cloud
Showed that the atom is mostly empty space
On midterm review sheet
Excited state- when the atom has excess energy... Ground state-…
Is a space in which electrons are likely to be found. Dependi…
Gold Foil Experiment
Showed that the atom is mostly empty space
Models
On midterm review sheet
17 terms
CHP 2:ATOMS, IONS, AND MOLECULES
Rutherford's Gold Foil Experiment
Proton
electron
neutron
shooting alpha particles (+) through a thin sheet of gold, an…
+ charged particles residing in the nucleus
- charged particles residing in the nucleus
neutral particles residing in the nucleus
Rutherford's Gold Foil Experiment
shooting alpha particles (+) through a thin sheet of gold, an…
Proton
+ charged particles residing in the nucleus
39 terms
Chapter 2: Atoms, Molecules, and Ions
Atoms
Law of Conservation of Mass
Law of Multiple Proportions
Subatomic Particles
Building blocks of matter
Matter is not created nor destroyed in any chemical or physic…
When two elements form more than one compound, the masses of…
Particles found within the atom, mainly protons, neutrons, an…
Atoms
Building blocks of matter
Law of Conservation of Mass
Matter is not created nor destroyed in any chemical or physic…
43 terms
Chapter 2: atoms, ions, and molecules
Ion
Ionic bond
Covalent bond
Molecule
An atom that has gained or lost one or more electrons
Formed through the electrical force oppositely charged ions.…
Formed when atoms share apart of an electron, generally very…
Two or more atoms held together by covalent bonds for example…
Ion
An atom that has gained or lost one or more electrons
Ionic bond
Formed through the electrical force oppositely charged ions.…
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