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Study sets matching "i science chemistry atoms"

25 terms
Science Unit 1: Chemistry and Atoms
How does every scientific investigatio…
What is a hypothesis?
What does the hypothesis lead to?
In a controlled experiment how many pa…
With a testable question
an answer to the testable question, an educated guess, and it…
a controlled expirement
one to test the effect of that one variable
How does every scientific investigatio…
With a testable question
What is a hypothesis?
an answer to the testable question, an educated guess, and it…
9 terms
SCIENCE - ATOMS 1
ELEMENT
ATOM
SUBATOMIC PARTICLES
PROTONS
A substance composed of a single kind of atom-Cannot be broke…
Smallest unit of an element
Particles found within the atom, mainly protons, neutrons, an…
A positively charged particle in the nucleus of an atom.
ELEMENT
A substance composed of a single kind of atom-Cannot be broke…
ATOM
Smallest unit of an element
12 terms
Chemistry 1: Atoms
Atom
Element
Compound
Mixture
smallest part of an element
A substance that cannot be split into simpler substances by c…
A substance that is made of two or more different elements wh…
There's no chemical bond between the different parts of a mix…
Atom
smallest part of an element
Element
A substance that cannot be split into simpler substances by c…
47 terms
Science.1.C Chemistry - Atomic Structure
What charge does a proton have?
What charge does a neutron have?
What charge does an electron have?
What is the region called where you fi…
positive
neutral
negative
Electron Cloud
What charge does a proton have?
positive
What charge does a neutron have?
neutral
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
21 terms
Chemistry Topic 1 The Atom
atom
atomic mass
atomic mass unit
atomic number
A tiny particle that is the basic unit of matter.
The average mass of all of the isotopes in a sample of the el…
Units used to represent an atom's mass. 1 proton = 1 amu.
The number of protons in the nucleus of an atom.
atom
A tiny particle that is the basic unit of matter.
atomic mass
The average mass of all of the isotopes in a sample of the el…
25 terms
Science Chemistry (atoms)
Atom
Electron
Nucleus
Proton
the basic particle from which all elements are made
a tiny negatively charged particle that moves around the outs…
the central core of an atom that contains protons and neutrons
small positively charged particles that are found in the nucl…
Atom
the basic particle from which all elements are made
Electron
a tiny negatively charged particle that moves around the outs…
25 terms
Science Chemistry (atoms)
Atom
Electron
Nucleus
Proton
the basic particle from which all elements are made
a tiny negatively charged particle that moves around the outs…
the central core of an atom that contains protons and neutrons
small positively charged particles that are found in the nucl…
Atom
the basic particle from which all elements are made
Electron
a tiny negatively charged particle that moves around the outs…
19 terms
Science Chemistry: Atoms
Particle
Atom
Molecule
Compound
They make up all matter.
Are tiny particles that make up everything and are the smalle…
Is a particle containing grouped atoms (two or more)(chemical…
Is the substance produced when two or more different elements…
Particle
They make up all matter.
Atom
Are tiny particles that make up everything and are the smalle…
25 terms
Set 1: Science (Chemistry); Questions on Atoms
All substances are made of...?
A substance that is made of only one s…
The Charge of a Proton is...?
The Charge of a Neutron is...?
Atoms
Element
+1
0
All substances are made of...?
Atoms
A substance that is made of only one s…
Element
14 terms
Science Atoms & Chemistry Vocab
matter
mass
volume
kinetic molecular theory
Matter is anything that has mass and takes up space
the amount of stuff in an object
the amount of space that an object occupies,
The Kinetic Theory of Matter states that matter is composed o…
matter
Matter is anything that has mass and takes up space
mass
the amount of stuff in an object
111 terms
Chemistry: Atoms (Test #1)
Impact of Dalton's Work
Dalton's Atomic Theories (5)
How many naturally occurring elements…
Which elements are naturally occurring?
Eventually lead to the acceptance of the idea of atoms and ch…
1. All matter is composed of atoms. Atoms are indivisible and…
88
1-92 (except for Tc, Fr, Pm, and At)
Impact of Dalton's Work
Eventually lead to the acceptance of the idea of atoms and ch…
Dalton's Atomic Theories (5)
1. All matter is composed of atoms. Atoms are indivisible and…
11 terms
Atoms 1 Physical Science
atomic mass
atomic number
ion
triboluminescence
Average mass of an atom
Number of protons in an element
Charged particle
The tendency for something to give off light when something i…
atomic mass
Average mass of an atom
atomic number
Number of protons in an element
Science - Chemistry (Counting Atoms)
Element Symbol
Subscript (lower right corner)
Subscript (outside a bracket bottom ri…
Coefficient (in front of a chemical sy…
The symbol of an element in a compound represents one atom of…
It's used to indicate the number of atoms of an element if th…
Multiplies all the elements inside the bracket
Indicates the number of atoms in that element, effects the wh…
Element Symbol
The symbol of an element in a compound represents one atom of…
Subscript (lower right corner)
It's used to indicate the number of atoms of an element if th…
18 terms
Science Vocab atoms/ chemistry
atom
atomic number
electron
element
tiny building block of matter, made up of protons, neutrons,…
the number of protons in an atom
particle with a negative charge
substance that is made up of only one type of atom
atom
tiny building block of matter, made up of protons, neutrons,…
atomic number
the number of protons in an atom
9 terms
Chemistry - Atom Science People
Democritus
Dalton
J.J. Thomson
Ernest Rutherford
Atom is smallest piece any substance can be broken down into.
All elements are composed of atoms; atoms of the same element…
Discovered electrons with the Cathode Ray Tube (CRT), a vacuu…
Discovered the nucleus (small, dense, and positive) and atoms…
Democritus
Atom is smallest piece any substance can be broken down into.
Dalton
All elements are composed of atoms; atoms of the same element…
20 terms
Chemistry U1: Atoms
Anion
Cation
Atomic Number
Atomic Mass
a negatively charged ion
a positively charged ion
The number of protons in an atom
the sum of protons and neutrons together
Anion
a negatively charged ion
Cation
a positively charged ion
9 terms
Science - Chemistry - Atoms
What are atoms?
What do atoms contain?
Where is the nucleus?
What is the radius of nucleus?
Smallest part of an element. They are really small
Electrons protons and neutrons
It is in the middle of an atom and it contains protons and ne…
1 x 10-14
What are atoms?
Smallest part of an element. They are really small
What do atoms contain?
Electrons protons and neutrons
10 terms
chemistry 1(atoms)
Atomic Mass Unit
Atomic Number
isotopes
atomic mass
A unit of mass that describes the mass of an atom or molecule…
Number of protons in an atom
Atoms of the same element that have different numbers of neut…
Sum of protons and neutrons in an element
Atomic Mass Unit
A unit of mass that describes the mass of an atom or molecule…
Atomic Number
Number of protons in an atom
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
41 terms
Science: Atoms and Chemistry
What are Atoms?
What is matter?
What is matter made of?
What is an Atom composed of?
Atoms are the smallest unit of an element and are composed of…
Anything that takes up space and has mass
Atoms
The electron cloud and nucleus
What are Atoms?
Atoms are the smallest unit of an element and are composed of…
What is matter?
Anything that takes up space and has mass
14 terms
Science Chemistry 1a (Atoms)
Protons
Electrons
Neutrons
Nucleus
Positively charged (+)
Negatively charged (-)
No charge
Contains protons and neutrons
Protons
Positively charged (+)
Electrons
Negatively charged (-)
9 terms
Science Chemistry: Atoms
Particle
Atom
Molecule
Compound
They make up all matter.
Are tiny particles that make up everything and are the smalle…
Is a particle containing grouped atoms (two or more)(chemical…
Is the substance produced when two or more different elements…
Particle
They make up all matter.
Atom
Are tiny particles that make up everything and are the smalle…
18 terms
Science: Atoms Chemistry
Alpha:
Beta:
Gamma:
Soluble:
They are a particles made up of two protons and two neutrons,…
Are a small, negatively charged particles that can be ejected…
It is a form of an electromagnetic wave like an X-Ray. The wa…
When something can easily be dissolved
Alpha:
They are a particles made up of two protons and two neutrons,…
Beta:
Are a small, negatively charged particles that can be ejected…
8 terms
History of Atomic Models Science Chemistry Test 1
Democritus(400 B.C.)
Dalton(1803 A.D.)
Dmitri Mendeleev(1869 A.D.)
J.J. Thompson(1897)
4 elements- Earth, air, fire, water; coined the term "atom"
Verified atoms and elements through gas experiments. Didn't u…
Developed periodic table using 64 elements, atomic mass inste…
Developed "Plum Pudding" Positive pudding, Negative plums, ch…
Democritus(400 B.C.)
4 elements- Earth, air, fire, water; coined the term "atom"
Dalton(1803 A.D.)
Verified atoms and elements through gas experiments. Didn't u…
14 terms
Science chemistry test - ATOMS
Mass number
Atomic number
Electrons
Protons
Largest number. Bottom number
Smallest number. Top number, number of protons. Tells u wat e…
Negative
Positive
Mass number
Largest number. Bottom number
Atomic number
Smallest number. Top number, number of protons. Tells u wat e…
12 terms
Science- isotopes, atoms and chemistry
Isotope
Radioisotopes
Chemical change
Physical change
Most atoms with the same elements have the same number but is…
A radioactive isotope
A reaction that forms new substances and cant be reversed
Can be reversed and no new substances or colours
Isotope
Most atoms with the same elements have the same number but is…
Radioisotopes
A radioactive isotope
53 terms
Science Test - Atoms/Chemistry
Group
Noble Gasses
Metals
The Left
Elements in the same ________ have similar chemical properties.
These gasses are stable and nonreactive.
These are usually malleable, ductile, and good conductors of…
Which side of the periodic table are metals located on?
Group
Elements in the same ________ have similar chemical properties.
Noble Gasses
These gasses are stable and nonreactive.
36 terms
Rside-Science 9 Chemistry Counting Atoms
6
6
4
3
How many Oxygen atoms?
How Many Chlorine atoms?
How many Oxygen atoms?
How many Phosphorous atoms?
6
How many Oxygen atoms?
6
How Many Chlorine atoms?
18 terms
8th Grade Science: Unit 10 Atoms / Chemistry
Positively charged particle found in t…
Two particles found in the nucleus
charge of the electron
Electrons are found here
proton
protons and neutrons
positive
electron cloud
Positively charged particle found in t…
proton
Two particles found in the nucleus
protons and neutrons
31 terms
Science- Chemistry (The Atom)
Atom
Atomic number
Atomic symbol
Compound
The fundamental building block of all materials; it consists…
The number of protons in a nucleus; The atomic number determi…
A short-hand notation for describing an atom; it consists of…
A pure substance that is made up of two or more different typ…
Atom
The fundamental building block of all materials; it consists…
Atomic number
The number of protons in a nucleus; The atomic number determi…
15 terms
Science - Chemistry - The Atom
Democritus
Dalton
Thomson
Rutherford
Made a mental model of the atom; Greek philosopher.
Formed the atomic theory model of an atom; English schoolteac…
Proposed the "plum pudding" model of the atom; discovered the…
Discovered the nucleus using his gold foil experiment.
Democritus
Made a mental model of the atom; Greek philosopher.
Dalton
Formed the atomic theory model of an atom; English schoolteac…
16 terms
Science (Chemistry) - Atoms
atom
element
compound
sub atomic particles (+charges)
The smallest particle of substance which can have its own cha…
A pure substance made up of only one type of atom.
A pure substance formed by chemically combining at least two…
neutrons = neutral / protons = positive / electrons = negative
atom
The smallest particle of substance which can have its own cha…
element
A pure substance made up of only one type of atom.
18 terms
Science - Chemistry (The Atomic Theory)
The Atomic Theory
Atom
Electron (e)
The Modern Atomic Theory
study of the nature of atoms and how they combine to form all…
the smallest part of an element that has all of the element's…
A negatively charged subatomic particle located in energy lev…
An atom has a small positively charged nucleus surrounded by…
The Atomic Theory
study of the nature of atoms and how they combine to form all…
Atom
the smallest part of an element that has all of the element's…
10 terms
Science - Chemistry (Inside the Atom)
Atoms
Molecule
Compound
Elements
The basic building blocks of all matter - both living and non…
Two or more atoms joined together.
A type of molecule.... Substances made up of 2 or more atoms whi…
A type of substance that contains only 1 type of atom.... It is…
Atoms
The basic building blocks of all matter - both living and non…
Molecule
Two or more atoms joined together.
19 terms
Interactive Science Intro to Chemistry Section 3.1 intro to atoms
Atom
Electron
Proton
Energy Level
The smallest component of an element having the chemical prop…
A subatomic particle that has a negative charge.
A subatomic particle that has a positive charge and that is f…
a region of an atom in which electrons of the same energy are…
Atom
The smallest component of an element having the chemical prop…
Electron
A subatomic particle that has a negative charge.
15 terms
Chemistry Test 1 [ATOMS]
Who first introduced the idea of atoms…
The greeks said everything is made of…
Democritus
Aristotle
Democritus
Earth, Fire, Air, Water
Matter could only be divided until... smallest particle
Believed atoms not real because empty... space was not real
Who first introduced the idea of atoms…
Democritus
The greeks said everything is made of…
Earth, Fire, Air, Water
12 terms
Chemistry Chap. 1, Sec. 1 "Elements and Atoms"
Matter
Element
Compound
Mixture
anything that has mass and takes up space.
the simplest pure substance that cannot be broken down into a…
a pure substance made of two or more elements that are combin…
two or more substances (elements, compounds, or both) that ar…
Matter
anything that has mass and takes up space.
Element
the simplest pure substance that cannot be broken down into a…
22 terms
Science: Chemistry [Atomic Structure]
Atoms
Nucleus
Protons
Neutrons
"The building blocks of the universe." All matter is composed…
The centre of the atom. Place where protons & neutrons are fo…
Contain positive charge.
Contain no (neutral) charge.
Atoms
"The building blocks of the universe." All matter is composed…
Nucleus
The centre of the atom. Place where protons & neutrons are fo…
13 terms
Natural Science: Atomic Chemistry
Chemistry
Element
Atomic Number
Atomic mass
the study of matter
A substance that cannot be broken down into any other substan…
the number of protons found in the nucleus of an atom
calculated by adding the masses of protons and neutrons
Chemistry
the study of matter
Element
A substance that cannot be broken down into any other substan…
15 terms
Science-atomic structure-chemistry
What is an atom?
What does the structure of an atom con…
What's in the shells?
What's In the nucleus?
Smalest perticle that can exist independently
Nucleus amd shells
Electrons
Protons ans neutrons
What is an atom?
Smalest perticle that can exist independently
What does the structure of an atom con…
Nucleus amd shells
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
20 terms
Chemistry 1 Honors Atoms
Democritus
Dalton's Five Postulates
Joseph John Thomson
Cathode Ray Tube experiment
Ancient Greek philosopher that said matter could be divided i…
-All matter is made of atoms... -Atoms of an element are identic…
Discovered the electron
What experiment did Thomson use to discover the electron?
Democritus
Ancient Greek philosopher that said matter could be divided i…
Dalton's Five Postulates
-All matter is made of atoms... -Atoms of an element are identic…
9 terms
Chemistry C1 atoms
Protons
Neutrons
Shells
Atom
A subatomic particle which exists in all atoms and has a posi…
A subatomic particle which exists in all atoms and has a neut…
A subatomic particle which exists in all atoms and has a nega…
An atom consists of protons , neutrons and electrons and is a…
Protons
A subatomic particle which exists in all atoms and has a posi…
Neutrons
A subatomic particle which exists in all atoms and has a neut…
15 terms
Glencoe Science Chemistry Chapter 1 Atomic Structure and Chemical Bonds
Atom
Electron
Electron Cloud
Energy Levels
The smallest part of an element that keeps the properties of…
Negatively charged particle that moves in a cloud around the…
Area where electrons, arranged in energy levels, travel aroun…
The different positions for electron in the electron cloud
Atom
The smallest part of an element that keeps the properties of…
Electron
Negatively charged particle that moves in a cloud around the…
17 terms
chemistry 1 - atoms
atomic layout
rutherford
atomic number
mass number
nucleus - protons (+) and neutrons (0), in energy orbitals ar…
did the experiment where he fired alpha particles at a lead s…
number of protons
number of protons + neutrons
atomic layout
nucleus - protons (+) and neutrons (0), in energy orbitals ar…
rutherford
did the experiment where he fired alpha particles at a lead s…
88 terms
Chemistry 4.1 Atoms
Number of elements
Compounds made of
Compounds separated/formed by
Atom of an element always has
100+
2+ elements chemically combined
Chemical reactions
Same proton no.
Number of elements
100+
Compounds made of
2+ elements chemically combined
10 terms
Atoms (Chemistry 1-2015)
Atom
Element
Molecule
Compound
The smallest unit of a chemical element that can exist.
Most basic types of chemicals in the universe. Only found in…
Is formed when two or more atoms join together chemically.
A chemical made from two different types of elements
Atom
The smallest unit of a chemical element that can exist.
Element
Most basic types of chemicals in the universe. Only found in…
13 terms
Geer Science 8.1 - Atoms
Matter
Atom
Law of Conservation of Matter
Subatomic Particles
Anything that has mass and takes up space.
The smallest component of an element having the chemical prop…
Matter is neither created nor destroyed, but transferred from…
The small particles that make up an atom. (Protons, Neutrons,…
Matter
Anything that has mass and takes up space.
Atom
The smallest component of an element having the chemical prop…
16 terms
Chemistry - Atomic Structure 1
atomic structure
alpha particles
anion
atom
The atom consists of three component parts: Protons, Neutrons…
positively charged particles containing two protons and two n…
a negatively charged ion
Smallest particle of an element
atomic structure
The atom consists of three component parts: Protons, Neutrons…
alpha particles
positively charged particles containing two protons and two n…
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