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Atomic Theory Scientists... Flashcards | StudBud
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Atomic Theory Scientists...
Atomic Theory Scientists...
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Scientists responsible for atomic theories
Flashcards
38 cards
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Practice quiz
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Questions
38
Answers
1
Who is this...father of modern chemistry?
Rutherford
Bohr
Democritus
Dalton
2
What year was the eraser discovered?
1790
1720
1750
1770
3
Gamma-Decay is when...
Energy is released from the nucleus
4 neutrons are released
4 protons are released
4 neutrons & 4 protons are released
4
Who disproved the planetary model of the atom where e- orbit the nucleus like planets?
Dalton
Thomson
Rutherford
Bohr
5
Alpha-decay is when the nucleus ejects...
2 protons & 2 neutrons
2 protons & 2 electrons
2 electrons
2 electrons & 2 protons
6
Who proposed the Plum Pudding Model?
Rutherford
Thomson
Dalton
Chadwick
7
Who developed the 1st Modern Atomic Theory?
Aristotle
Bohr
Dalton
Democritus
8
Who identified protons?
Chadwick
Rutherford
Bohr
Thomson
9
Radioactivity means….
An atom gives off radio waves.
The nucleus of an atom is unstable and will eventually chage
None of the above
the electrons in an atom have too much energy
10
Which of the following statements regarding electric charge is
true
?
A pos-charge repels a neg-charge and attracts pos-charges
A pos-charge attracts a neg-charge and repels pos-charges
11
This pic best represents ____________ to me...
ugh...i hate football
i want to go shopping instead
fridays..school spirit..
mosquitos are biting me
12
Mrs. O'Neill'ss favorite color is _________.
Pink
Camo
Green
Orange
13
Who's experiment is this?
Rutherford
Dalton
Chadwick
Thomson
14
How many siblings does Mr. O'Neill have?
4 brothers & 1 sister
1 sister
1 brother
1 sister & 1 brother
15
Which of the following images is the most accurate model of the interior of an atom.
A
D
B
C
16
Who discovered the neutron?
Chadwick
Bohr
Millikan
Rutherford
17
All atoms of the same element have (choose one)
the same number of neutrons
the same mass
all of the above
the same number of protons
18
Thomson discovered which of the following particles?
proton
electron
nucleus
neutron
19
A spectroscope is...
An instrument that separates light into a spectrum.
An instrument that separates light for plants.
An instrument used to do science
An instrument that separates light into a bottle.
20
Who performed experiments with this to discover the e-?
Bohr
Schrodinger
Thomson
Rutherford
21
Which part of Dalton's Atomic Theory has been disproved?
atoms of elements combine to form compounds
all atoms of the same element are identical
all matter is made up of atoms
reactions rearrange elements
22
Beta-Decay is when a(n)...
neutron is ejected
proton is ejected
electron is ejected
energy waves are released
23
The image show three isotopes, which one is radioactive?
C
A
B
24
What is Mr. O'Neill's favorite Western movie?
Stagecoach
Rio Grande
The Good, the Bad, & the Ugly
True Grit
25
The four forces of nature are...
Gravity, Sound, Electromagnetism, and Strong nuclear force
Weak force, Gravity, Electromagnetism, and Strong force
Strong force, Gravity, Magnetism, and Weak force
Gravity, Sound, Electromagnetism, and Strong force
26
A spectral line...
a bright colored line
a bright colored line that appears on a paper
a bright colored line you see when you close your eyes
a bright colored line in a spectroscope
27
Neils Bohr
is awesome
is awesome and developed electron energy levels
None of these
developed electrons energy levels
28
Bohr's model of the atom is called the ___________________ model..
atomic
planetary
surrounding
orbiting
29
Walk the _____________
Green Mile
Catwalk
Boardwalk
Plank
30
I must-ache you a question...who is this scientist responsible for the discovery of the p+?
Chadwick
Bohr
Rutherford
Dalton
31
Who first said atoms were indivisible?
Democritus
Dalton
Rutherford
Thomson
32
The majority of characteristics for elements are determined by their...
Protons
Electrons
Neutrons
Tron
33
What did Rutherford discover with his gold foil experiment?
Electrons
Atoms were mostly made of positively charged material.
Plum Pudding Model
Atoms contain a central, positively charged nucleus.
34
Pioneers for researching radioactivity......
millikan
heisenberg
lavoisier
currie
35
The atomic number is….
the number of electrons
the number of neutrons in the nucleus
the number of protons in the nucleus
the number of neutrons plus protons
36
Which of the following is not one of the elements proposed by Aristotle?
fire
earth
water
sound
37
What College/University did Mr. O'Neill attend?
St. Leo University
University of South Florida
University of Tampa
Eckerd College
38
The REAL "Father of Modern Chemistry"
plank
democritus
lavoisier
aristotle
