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Chapter 3 - Atomic History Flashcards | StudBud
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Chapter 3 - Atomic History
Chapter 3 - Atomic History
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1
isotope
adom with the main atomic number of neutrons
what????
same number of protons but different number of neutrons
adom
2
Which teacher and scientist determined that elements exist as discreet packets of matter?
John Newlands
John Dalton
Robert Boyle
Joseph Priestley
3
Which element has +8 protons?
Nitrogen
Hydrogen
Oxygen
Tungsten
4
Which of these atomic models was developed by RUTHERFORD?
None of these
C
B
A
5
Beta radiation consists of...
A fast moving electron
1 Proton, 1 Neutron
2 Protons, 2 Neutrons
A wave
6
Robert Milikan is famous for his
x-ray spectroscopy experiments
cathode ray tube experiment
gold foil experiment
oil drop experiment
7
What scientist discovered that atoms are mostly empty space with a nucleus in the center?
Bohr
Democritus
Rutherford
Isaac Newton
8
J. J. Thompson discovered
Matter had mass
Protons with his gold foil experiments
Electrons and created the plum pudding model
Matter could neither be created nor destroyed
9
Which of the atomic models below was developed by DALTON?
A
C
None of these
B
10
How do you get Atomic mass?
Cloud + Neutron
Proton + Neutron
Protron and Electron
Proton + Cloud
11
Rutherford was the earliest philosopher to discover atoms
False
True
12
The atomic number of an atom is the number of
protons plus number of neutrons
electrons
protons
neutrons
13
how do you find the number of Neutrons???
Mass #
Mass # - Atomic #
Atomic # - Mass #
Atomic #
14
Which atomic model was developed by John Dalton
Quantum Mechanical
Solid Sphere
Solar System
Plum Pudding
15
Is iodine-131 a isotope?
False
True
16
Alpha particles consist of:
Other
2 Protons 1 Neutron
2 Protons 2 Neutrons
1 Proton 2 Neutrons
17
Who discovered the proton?
James Chadwick
Ernest Rutherford
Eugen Goldstein
Albert Einstein
18
What part of a radioactive isotope is unstable?
The space around the nucleus
The isotope is stable, it always emits particles/energy
Everything within 5cm of the atom
The nucleus
19
Willhelm Roetegen discovered
Birth control
Polio Vaccine
Stethoscope
X-ray
20
Which of these models was developed by BOHR?
B
NONE OF THESE
C
A
21
What experiment did rutherford use?
Plum pudding
Gold foil experiment
Oil Drop
Cathode ray
22
The development of atomic theory has hindered by the
lack of technology
apathy of scientists
23
Gamma Rays can also...
Give you super powers
See bones on a screen
give you cancer
be very sad
24
How many neutrons are in silicon?
12
5
28
14
25
What are valence electrons?
the electrons in the innermost energy level
the electrons in the outermost energy level
26
What Did William Crookes Discover?
Theres a Hegative charge in atoms
There is a Negative charge in atoms
Theres a positive charge in atoms
Theres a neutral charge in atoms
27
Who was the original philosopher who developed the concept of the atom?
Thomson
Democritus
Bohr
Rutherford
28
An atom that has lost or gained electrons.
Ionic bonds
Protons
Covalent Bonds
Ion
29
how do you find the number of protons???
Atomic mass
atomic number - mass
Atomic number
mass - atomic number
30
Which atomic model is based on probability and electron clouds?
Solar System
Periodic Table
Quantum Mechanical
Synthesis
31
How many neutrons does boron have?
6
5
11
10
32
What is Uranium-235?
An isotope of uranium
Something that makes you stupid
Something used to make nukes
A dangerous substance
33
How many neutrons are present in this isotope?
0
7
6
13
34
Electrons...
Are in the nucleus of the atom
React with things
Go around the atom
