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Duplicate of History of the Atom Flashcards | StudBud
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Duplicate of History of the Atom
Duplicate of History of the Atom
30 terms
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233 plays
A review of the historical events in the development of the model of the atom and atomic structure
Flashcards
30 cards
F
Practice quiz
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Host live
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Questions
30
Answers
1
Who gathered the 1st evidence for the existence of neutrons?
Rutherford
Bothe
Chadwick
Goldstein
2
Which subatomic particle has the least mass?
electron
proton
neutron
3
Who ran the Gold foil experiment?
JJ Thomson
Bohr
Rutherford
Planck
4
Who ran the Oil Drop Experiment?
Rutherford
Bohr
JJ Thomson
Millikan
5
Who determined that an atom is mostly empty space with a small, dense, positive nucleus?
Bohr
JJ Thomson
Heisenberg
Rutherford
6
Who created the Uncertainty Principle?
Bohr
DeBroglie
Heisenberg
Planck
7
Which of the following sequences (oldest to newest) is correct for the atomic models?
Dalton, Thomson, Rutherford, Bohr
Dalton, Thomson, Shrodinger, Bohr
Dalton, Thomson, Bohr, Rutherford
Shrodinger, Dalton, Thomson, Bohr
8
Which is the correct order of the scientists contributing to the model of the atom?
Rutherford, Bohr, JJ Thomson, Dalton
JJ Thomson, Rutherford, Bohr, Dalton
Bohr, Dalton, Rutherford, JJ Thomson
Dalton, JJ Thomson, Rutherford, Bohr
9
An atom of Silver with 47 protons, 47 electrons, and 61 neutrons would have a mass number of..
200
75
139
108
10
How many electrons are in the chloride (1-) ion?
36
16
18
17
11
Who stated that atoms were 'solid and indivisible'?
Schrodinger
Democritus
Thomson
Dalton
12
Who first discovered that electrons orbit the nucleus in shells?
Rutherford
Thomson
Dalton
Bohr
13
Who supported the theory that matter is made of water, air, fire, and earth?
Democritus
Aristotle
Anaxagoras
Empedocles
14
What is an atom that has the same number of protons but different number of neutrons?
allotrope
doesn't exist
alloy
isotope
15
This is the name of the model shown
billiard ball
planetary
nuclear
plum pudding
16
Who, in 1897, discovered the electron?
Dalton
Thomson
Rutherford
Bohr
17
What particle has a mass of 1 amu, a neutral charge, and is found in the nucleus?
electron
positron
proton
neutron
18
This is the creator of the model shown
Rutherford
JJ Thomson
Dalton
Bohr
19
Who used cathode ray tubes to determine that the electron was negative?
Millikan
JJ Thomson
Rutherford
DeBroglie
20
Who came up with the first theory of matter?
Anaxagoras
Democritus
Leucippus
Empedocles
21
An isotope of Boron, Boron-12, has 5 protons. How many protons does the isotope Boron-15 have?
15
5
12
7
22
This is the name of the model shown
plum pudding
planetary
nuclear
billiard ball
23
This is the creator of the model shown
JJ Thomson
Dalton
Rutherford
Bohr
24
What is the unit of mass that describes the mass of an atom or molecule?
gram
u
amu
no unit is used
25
This is the name of the atomic model shown
planetary
nuclear
plum pudding
billiard ball
26
This is the creator of the model shown
Dalton
Rutherford
Bohr
JJ Thomson
27
This is the name of the model shown
planetary
plum pudding
nuclear
billiard ball
28
In the Quantum Mechanical Model, where are electrons likely to be found?
in the electron cloud
in the protons
in the nucleus
in an orbit
29
This is the creator of the model shown
JJ thomson
Rutherford
Dalton
Bohr
30
How many quarks are needed to form a proton or neutron?
2
1
4
3
