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Study sets matching "atomic theory"

14 terms
Atomic Theory, Atomic Theory
Picture of Dalton's Model
Picture of Thomson's Model
Picture of Rutherford's Model
Picture of Bohr's Model
Picture of Dalton's Model
Picture of Thomson's Model
13 terms
Atomic Theory
Dalton's Atomic Theory
Cathode Ray Tube
Gold Foil Experiment
Modern View of the Atom
1. All matter (materials) consists of very small particles ca…
J.J. Thomson worked on cathode rays which he suggested consis…
Using a block containing radioactive alpha particles, Rutherf…
Stresses that the nucleus (of protons and neutrons) take up t…
Dalton's Atomic Theory
1. All matter (materials) consists of very small particles ca…
Cathode Ray Tube
J.J. Thomson worked on cathode rays which he suggested consis…
20 terms
Atomic Theory
The first model of the atom was develo…
Jerome is learning how the model of th…
The model of the atom has changed as s…
Scientists have changed the model of t…
thinking about the smallest particles of matter without exper…
Y, X, Z, W
Dalton's model
The colors of light emitted from heated atoms had very specif…
The first model of the atom was develo…
thinking about the smallest particles of matter without exper…
Jerome is learning how the model of th…
Y, X, Z, W
16 terms
Atomic Theory, Atomic Theory
Picture of Dalton's Model
Picture of Thomson's Model
Picture of Rutherford's Model
Picture of Bohr's Model
Picture of Dalton's Model
Picture of Thomson's Model
33 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
Consists of a dense, central nucleus containing protons and n…
Small, dense, positively charged center of the atom that cont…
Positively charged particle located in the nucleus
Uncharged particle located in the nucleus; the number of thes…
Atom
Consists of a dense, central nucleus containing protons and n…
Nucleus
Small, dense, positively charged center of the atom that cont…
16 terms
Atomic Theory, Atomic Theory
Picture of Dalton's Model
Picture of Thomson's Model
Picture of Rutherford's Model
Picture of Bohr's Model
Picture of Dalton's Model
Picture of Thomson's Model
8 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
Consists of a dense, central nucleus containing protons and n…
Small, dense, center of the atom that contains most of its mass
Positively charged particle located in the nucleus
Uncharged particle located in the nucleus; the number of thes…
Atom
Consists of a dense, central nucleus containing protons and n…
Nucleus
Small, dense, center of the atom that contains most of its mass
26 terms
Atomic Theory
Democritus
Dalton
Thompson
Rutherford
Greek Philosopher who said the atom was a solid sphere with n…
Agreed with Democritus a thousand years later ... The atom wa…
Believed the atom was a solid sphere with charged particles s…
Believed the atom was mostly empty space ... A very small pos…
Democritus
Greek Philosopher who said the atom was a solid sphere with n…
Dalton
Agreed with Democritus a thousand years later ... The atom wa…
28 terms
Atomic Theory
Democritus
John Dalton
J. J. Thomson
Ernest Rutherford
(460 - 370 BC)... Proposed that matter is made of small, solid o…
(1766 - 1844)... Did many experiments on the properties of gas a…
(1856 - 1940)... Experimented and found that atoms contained pos…
(1871 - 1937)... Experimented and found that atoms were made of…
Democritus
(460 - 370 BC)... Proposed that matter is made of small, solid o…
John Dalton
(1766 - 1844)... Did many experiments on the properties of gas a…
8 terms
Atomic Theory
Democritus
John Dalton
J.J. Thomson
Ernest Rutherford
460 BC: Greek Philosopher who proposed the atom. "Atom" means…
1803: British Chemist; atoms CANNOT BE CREATED OR DESTROYED,…
1897 English Chemist; discovered subatomic particles; created…
1912: Physicist; discovered the nucleus, Electrons travel aro…
Democritus
460 BC: Greek Philosopher who proposed the atom. "Atom" means…
John Dalton
1803: British Chemist; atoms CANNOT BE CREATED OR DESTROYED,…
14 terms
Atomic Theory
Democritus
John Dalton
J. J. Thomson
Ernest Rutherford
(460 - 370 BC)... Proposed that matter is made of small, solid o…
(1766 - 1844)... Did many experiments on the properties of gas a…
(1856 - 1940)... Experimented and found that atoms contained neg…
(1871 - 1937)... Experimented and found that atoms were made of…
Democritus
(460 - 370 BC)... Proposed that matter is made of small, solid o…
John Dalton
(1766 - 1844)... Did many experiments on the properties of gas a…
33 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
Consists of a dense, central nucleus containing protons and n…
Small, dense, positively charged center of the atom that cont…
Positively charged particle located in the nucleus
Uncharged particle located in the nucleus; the number of thes…
Atom
Consists of a dense, central nucleus containing protons and n…
Nucleus
Small, dense, positively charged center of the atom that cont…
39 terms
Atomic Theory
Dalton's Atomic Theory
Cathode Ray Tube
Gold Foil Experiment
Modern View of the Atom
1. All matter (materials) consists of very small particles ca…
J.J. Thomson worked on cathode rays which he suggested consis…
Using a block containing radioactive alpha particles, Rutherf…
Stresses that the nucleus (of protons and neutrons) take up t…
Dalton's Atomic Theory
1. All matter (materials) consists of very small particles ca…
Cathode Ray Tube
J.J. Thomson worked on cathode rays which he suggested consis…
12 terms
Atomic Theory
element
atom
Proton
Electron
natural or synthetic material that cannot be broken down into…
a very small particle that makes up most types of matter and…
Postively charged particle in the nucleus of an atom that is…
Invisible, Negative charged particle located in a cloud-like…
element
natural or synthetic material that cannot be broken down into…
atom
a very small particle that makes up most types of matter and…
9 terms
Atomic Theory
Dalton
Thompson
Rutherford
Bohr
The atom was a solid sphere with nothing new inside. 5 main p…
Believed the atom was a solid sphere with charged particles s…
Believed the atom was mostly empty space ... A very small pos…
Believed that the small positively charged nucleus was orbite…
Dalton
The atom was a solid sphere with nothing new inside. 5 main p…
Thompson
Believed the atom was a solid sphere with charged particles s…
20 terms
Atomic Theory
Proton
Electron
Neutron
Isotope
A subatomic particle that has a positive charge and that is f…
A subatomic particle that has a negative charge and is found…
A subatomic particle that has no charge and that is found in…
Atoms of the same element that have different numbers of neut…
Proton
A subatomic particle that has a positive charge and that is f…
Electron
A subatomic particle that has a negative charge and is found…
Atomic Theory
Atom
Electron
Nucleus
Electron cloud
the basic unit of a chemical element.... synonyms: grain, iota,…
a stable subatomic particle with a charge of negative electri…
the central and most important part of an object, movement, o…
is an informal term in physics. It is used to describe where…
Atom
the basic unit of a chemical element.... synonyms: grain, iota,…
Electron
a stable subatomic particle with a charge of negative electri…
25 terms
Atomic Theory
Democritus
Dalton
Thompson
Rutherford
Greek Philosopher who first proposed the idea of "atomos"
Thought the atom was a solid sphere with nothing smaller insi…
Discovered the electron and came up with the Plum Pudding Model
Discovered the nucleus and that atoms were mostly empty space.
Democritus
Greek Philosopher who first proposed the idea of "atomos"
Dalton
Thought the atom was a solid sphere with nothing smaller insi…
22 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
Consists of a dense, central nucleus containing protons and n…
Small, dense, positively charged center of the atom that cont…
Positively charged particle located in the nucleus
Uncharged particle located in the nucleus; the number of thes…
Atom
Consists of a dense, central nucleus containing protons and n…
Nucleus
Small, dense, positively charged center of the atom that cont…
20 terms
Atomic Theory
Atom
Atomic Number
Law of multiple proportions
Chemical symbol
the smallest particle into which an element can be divided an…
the number of protons in the nucleus of an atom
Atoms always combine in whole number ratios
One or two letter code that stands for an element
Atom
the smallest particle into which an element can be divided an…
Atomic Number
the number of protons in the nucleus of an atom
5 terms
Atomic Theory
Dalton
J.J. Thomson
Rutherford
Bohr
-All elements are made of atoms... -Atoms can't be divided or de…
-Discovered electrons... -First to suggest that atoms contain sm…
-Atoms are mostly empty space... -Positive particles are in nucl…
-Electrons move around nucleus in fixed orbits... -Orbits are ca…
Dalton
-All elements are made of atoms... -Atoms can't be divided or de…
J.J. Thomson
-Discovered electrons... -First to suggest that atoms contain sm…
13 terms
Atomic Theory
Democritus
John Dalton
J. J. Thomson
Ernest Rutherford
(460 - 370 BC)... Proposed that matter is made of small, solid o…
(1766 - 1844)... Did many experiments on the properties of gas a…
(1856 - 1940)... Experimented and found that atoms contained neg…
(1871 - 1937)... Experimented and found that atoms were made of…
Democritus
(460 - 370 BC)... Proposed that matter is made of small, solid o…
John Dalton
(1766 - 1844)... Did many experiments on the properties of gas a…
14 terms
Atomic Theory
Picture of Dalton's Model
Picture of Thomson's Model
Picture of Rutherford's Model
Picture of Bohr's Model
Picture of Dalton's Model
Picture of Thomson's Model
14 terms
Atomic Theory
Picture of Dalton's Model
Picture of Thomson's Model
Picture of Rutherford's Model
Picture of Bohr's Model
Picture of Dalton's Model
Picture of Thomson's Model
12 terms
Atomic Theory
Atom
Dalton
Thomson
Rutherford
"atomos" means uncut or indivisible. (Greek word)
DIscovered compounds have fixed composition.... Atom: a sphere... T…
Cathode-Ray Tube experiment: Discovered that electrons are ne…
Gold Foil experiment and discovered the nucleus.
Atom
"atomos" means uncut or indivisible. (Greek word)
Dalton
DIscovered compounds have fixed composition.... Atom: a sphere... T…
12 terms
Atomic theory
Atom
Dalton
Thomson
Rutherford
Extremely small particles that could not be divided
He thought that an atom looked like a sphere and it was the s…
That the atom was overall neutrall
Fired positively-charged alpha particles within a piece of go…
Atom
Extremely small particles that could not be divided
Dalton
He thought that an atom looked like a sphere and it was the s…
22 terms
Atomic Theory
Democritus
Dalton's Atomic Theory
Thomson-Cathode Ray Tube
Rutherford's Gold Foil Experiment
Greek philosopher that first proposed the idea of a "atomos".…
1. All matter (materials) consists of very small particles ca…
J.J. Thomson worked on cathode rays which he suggested consis…
Using a block containing radioactive alpha particles, Rutherf…
Democritus
Greek philosopher that first proposed the idea of a "atomos".…
Dalton's Atomic Theory
1. All matter (materials) consists of very small particles ca…
12 terms
Atomic Theory
Dalton's Atomic Theory
Cathode Ray Tube
Gold Foil Experiment
Modern View of the Atom
1. All matter (materials) consists of very small particles ca…
J.J. Thomson worked on cathode rays which he suggested consis…
Using a block containing radioactive alpha particles, Rutherf…
Stresses that the nucleus (of protons and neutrons) take up t…
Dalton's Atomic Theory
1. All matter (materials) consists of very small particles ca…
Cathode Ray Tube
J.J. Thomson worked on cathode rays which he suggested consis…
9 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
the smallest unit of an element, having all the characteristi…
the positively charged central region of an atom, composed of…
a subatomic particle with a positive electrical charge, formi…
a subatomic particle with a neutral electrical charge, formin…
Atom
the smallest unit of an element, having all the characteristi…
Nucleus
the positively charged central region of an atom, composed of…
22 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
Consists of a dense, central nucleus containing protons and n…
Small, dense, positively charged center of the atom that cont…
Positively charged particle located in the nucleus
Uncharged particle located in the nucleus; the number of thes…
Atom
Consists of a dense, central nucleus containing protons and n…
Nucleus
Small, dense, positively charged center of the atom that cont…
15 terms
Atomic Theory
Overall charge of the nucleus of an atom
Charge of electrons
Charge of neutrons
Charge of protons
positive
negative
no charge
positive
Overall charge of the nucleus of an atom
positive
Charge of electrons
negative
13 terms
Atomic Theory
Dalton
Thomson's model
Rutherford Experimental Conclusion:
Moseley
1. Each element is composed of extremely small particles call…
His model is often called the plum pudding model.
Atoms are mostly empty space, with a small, dense, positively…
Studied X-rays given off by various elements. On the basis of…
Dalton
1. Each element is composed of extremely small particles call…
Thomson's model
His model is often called the plum pudding model.
26 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
Consists of a dense, central nucleus containing protons and n…
Small, dense, positively charged center of the atom that cont…
Positively charged particle located in the nucleus
Uncharged particle located in the nucleus; the number of thes…
Atom
Consists of a dense, central nucleus containing protons and n…
Nucleus
Small, dense, positively charged center of the atom that cont…
12 terms
Atomic Theory
Picture of Dalton's Model
Picture of Thomson's Model
Picture of Rutherford's Model
Picture of Bohr's Model
Picture of Dalton's Model
Picture of Thomson's Model
34 terms
Atomic Theory
Democritus
Dalton
Thompson
Rutherford
Greek Philosopher who said the atom was a solid sphere with n…
Agreed with Democritus a thousand years later ... The atom wa…
Believed the atom was a solid sphere with charged particles s…
Believed the atom was mostly empty space ... A very small pos…
Democritus
Greek Philosopher who said the atom was a solid sphere with n…
Dalton
Agreed with Democritus a thousand years later ... The atom wa…
10 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
Consists of a dense, central nucleus containing protons and n…
Small, dense, center of the atom that contains most of its mass
Positively charged particle located in the nucleus
Uncharged particle located in the nucleus; the number of thes…
Atom
Consists of a dense, central nucleus containing protons and n…
Nucleus
Small, dense, center of the atom that contains most of its mass
28 terms
Atomic Theory
Democritus
John Dalton
J. J. Thomson
Ernest Rutherford
(460 - 370 BC)... Proposed that matter is made of small, solid o…
(1766 - 1844)... Did many experiments on the properties of gas a…
(1856 - 1940)... Experimented and found that atoms contained pos…
(1871 - 1937)... Experimented and found that atoms were made of…
Democritus
(460 - 370 BC)... Proposed that matter is made of small, solid o…
John Dalton
(1766 - 1844)... Did many experiments on the properties of gas a…
22 terms
Atomic Theory
Dalton
Thompson
Rutherford
Bohr
Agreed with Democritus a thousand years later ... The atom wa…
Believed the atom was a solid sphere with charged particles s…
Believed the atom was mostly empty space ... A very small pos…
Believed that the small positively charged nucleus was orbite…
Dalton
Agreed with Democritus a thousand years later ... The atom wa…
Thompson
Believed the atom was a solid sphere with charged particles s…
25 terms
Atomic Theory
Atomic Theory 1
Atomic Theory 2
Atomic Theory 3
Isotopes
All matter is composed of atoms
Atoms that are alike=same element
Atoms combine to form molecules(two or more atoms) and compou…
Atoms of the same element having a different number of neutro…
Atomic Theory 1
All matter is composed of atoms
Atomic Theory 2
Atoms that are alike=same element
13 terms
Atomic Theory
Dalton's Atomic Theory
Cathode Ray Tube
Gold Foil Experiment
Modern View of the Atom
1. All matter (materials) consists of very small particles ca…
J.J. Thomson worked on cathode rays which he suggested consis…
Using a block containing radioactive alpha particles, Rutherf…
Stresses that the nucleus (of protons and neutrons) take up t…
Dalton's Atomic Theory
1. All matter (materials) consists of very small particles ca…
Cathode Ray Tube
J.J. Thomson worked on cathode rays which he suggested consis…
17 terms
Atomic Theory
Democritus
Dalton's Atomic Theory
Thomson-Cathode Ray Tube
Rutherford's Gold Foil Experiment
Greek philosopher that first proposed the idea of a "atomos".…
1. All matter (materials) consists of very small particles ca…
J.J. Thomson worked on cathode rays which showed evidence of…
Rutherford shot Alpha particles at a piece of gold foil which…
Democritus
Greek philosopher that first proposed the idea of a "atomos".…
Dalton's Atomic Theory
1. All matter (materials) consists of very small particles ca…
8 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
Consists of a dense, central nucleus containing protons and n…
Small, dense, center of the atom that contains most of its mass
Positively charged particle located in the nucleus
Uncharged particle located in the nucleus; the number of thes…
Atom
Consists of a dense, central nucleus containing protons and n…
Nucleus
Small, dense, center of the atom that contains most of its mass
20 terms
Atomic Theory
Atom
Element
Protons (p+)
Neutron (n)
Smallest whole part of matter
Substance of one type of atom
Positively charged, found in the nucleus
Neutral particle, found in the nucleus
Atom
Smallest whole part of matter
Element
Substance of one type of atom
8 terms
Atomic Theory
Currently accepted model of the atom:…
The nucleus is very small and the atom…
All elements are made up of tiny indiv…
Most alpha particles in Rutherford's e…
1) Atoms have a small, dense, positively charges nucleus.... 2)…
In the famous experiment conducted by Ernest Rutherford, posi…
Which part of Dalton's Atomic Theory is no longer true based…
What discovery indicated that atoms are mostly empty space?
Currently accepted model of the atom:…
1) Atoms have a small, dense, positively charges nucleus.... 2)…
The nucleus is very small and the atom…
In the famous experiment conducted by Ernest Rutherford, posi…
19 terms
Atomic Theory
Rutherford
Bohr
Thomson
Dalton
Rutherford
Bohr
27 terms
Atomic Theory
John Dalton
J. J. Thomson
Ernest Rutherford
Neils Bohr
(1766 - 1844)... Did many experiments on the properties of gas a…
(1856 - 1940)... Experimented and found that atoms contained pos…
(1871 - 1937)... Experimented and found that atoms were made of…
(1885 - 1962)... Experimented with hydrogen atoms and found that…
John Dalton
(1766 - 1844)... Did many experiments on the properties of gas a…
J. J. Thomson
(1856 - 1940)... Experimented and found that atoms contained pos…
18 terms
Atomic Theory!!!
Democritus
Aristotle
John Dalton
Democritus' atoms
Greek philosopher, first to describe "atomos"
Greek philosopher, favored the Earth-Air-Fire-Water approach…
Englishman who popularized the idea of atoms to the public -…
Democritus
Greek philosopher, first to describe "atomos"
Aristotle
Greek philosopher, favored the Earth-Air-Fire-Water approach…
17 terms
atomic theory
atomos
dalton
plum pudding model
energy levels or quantas
democritius
atomic theory
jj thomson
bohr
atomos
democritius
dalton
atomic theory
38 terms
Atomic Theory
Atom
Nucleus
Proton
Neutron
Consists of a dense, central nucleus containing protons and n…
Small, dense, positively charged center of the atom that cont…
Positively charged particle located in the nucleus
Uncharged particle located in the nucleus; the number of thes…
Atom
Consists of a dense, central nucleus containing protons and n…
Nucleus
Small, dense, positively charged center of the atom that cont…
14 terms
Atomic Theory
Democritus
John Dalton
J. J. Thomson
Ernest Rutherford
(460 - 370 BC)... Proposed that matter is made of small, solid o…
(1766 - 1844)... Did many experiments on the properties of gas a…
(1856 - 1940)... Experimented and found that atoms contained neg…
(1871 - 1937)... Experimented and found that atoms were made of…
Democritus
(460 - 370 BC)... Proposed that matter is made of small, solid o…
John Dalton
(1766 - 1844)... Did many experiments on the properties of gas a…
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