Smart

1
Smart
Big
Heavy
Radioactive
Periodic
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200
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300
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400
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500
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2
His model of the atom was a solid ball.
100
3
Who was Dalton?
100
4
In Thomsons model of the atom, this part would
have had a negative charge.
200
5
What are chocolate chips?(Or what are bits of
plum?)
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6
The Bohr model has a limited number of these.
300
7
What are orbits?
300
8
Rutherford learned that most of the atom is made
of this.
400
9
What is empty space?
400
10
Rutherford used these instead of golf balls.
500
11
What are alpha particles?(Or what are helium
nuclei?)
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12
The atomic number of ununnilium.
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13
What is 110?
100
14
Two atoms that are chemically identical, but one
is heavier.
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15
What are isotopes?
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16
The abundance of vowels in this sentence.
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17
What is 38?
300
18
Like the atomic mass, but its always an integer.
400
19
What is mass number?
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20
The most common isotope of selenium.
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21
What is selenium-79?
500
22
1/12 the mass of a carbon atom.
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23
What is an AMU?
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24
An element with 50 electrons.
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25
What is tin?
200
26
The total mass of a water molecule.
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27
What is 18.015 AMU?
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28
What you get when plutonium gives off an alpha
particle.
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29
What is uranium?
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30
An element with four neutrons.
500
31
What is lithium?
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32
A cathode ray tube shoots a beam of these.
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33
What are electronsor beta particles?
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34
This Greek letter is another name for electrons.
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35
What is beta?
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36
This element is an alpha particle.
300
37
What is helium?
300
38
When radium decays, it becomes this.
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39
What is radon?
400
40
If a neutron decays, it gives off an
electronand turns into this.
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41
What is a proton?
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42
 An element with exactly 100 protons.
100
43
What is fermium?
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44
  The number of electrons in a copper atom.
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45
  What is 29?
200
46
 The number of neutrons in an atom of platinum.
300
47
 What is 117?
300
48
The total number of heavy particles in an atom of
potassium.
400
49
  What is 39?
400
50
 An ion of this element has 18 electrons and a
charge of 2.
500
51
What is calcium?
500