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WorksheetsGifted Atomic Structure Review
Total questions: 40
Worksheet time: 1hrs 21mins
Name
Class
Date
1.
What type of reaction is 231Pa --> 4He + 227Ac?
a)
Fusion
b)
Fission
c)
Neither
d)
Not enough info.
2.
Which isotope of iron is probably the most common?
a)
iron-55
b)
iron-56
c)
iron-57
d)
iron-58
3.
How many protons does this isotope have: 4521Sc?
a)
45
b)
21
c)
24
d)
22
4.
What does Thorium-234 turn into if it undergoes beta decay?
a)
Protactinium-234
b)
Moscoviun-288
c)
Actinium-234
d)
Americium-243
5.
What does Thorium-234 turn into if it undergoes positron emission?
a)
Protactinium-234
b)
Moscoviun-288
c)
Actinium-234
d)
Americium-243
6.
A certain isotope has a mass number of 84 and an atomic number of 36. How many protons, neutrons, and electrons?
a)
84p, 36n, 48e
b)
36p, 48n, 84e
c)
36p, 48n, 36e
d)
40p, 84n, 36e
7.
Candium has a half-life of 713 million years. How much time must pass for 100 grams to turn into 25 grams?
a)
713 million years
b)
1426 million years
c)
2139 million years
d)
2852 million years
8.
How many neutrons are in Samarium-150?
a)
150
b)
62
c)
200
d)
88
9.
How many protons are in Samarium-150?
a)
150
b)
62
c)
200
d)
88
10.
What is the symbol for beta particle?
a)
42α
b)
0-1β
c)
0+1β
d)
00γ
11.
What is the name of the element with 55 neutrons and 43 protons?
a)
Aresenic
b)
Yttrium
c)
Nobelium
d)
Technitium
12.
What is the average atomic mass if the element consists of 27.8% of mass 16.541 amu and 72.2% 17.028 amu?
a)
16.893 amu
b)
15.764 amu
c)
16.977 amu
d)
2.943 amu
13.
What is the charge of a proton?
a)
-1
b)
+1
c)
0
d)
+2
14.
What is the charge of an alpha particle?
a)
-1
b)
+1
c)
0
d)
+2
15.
What is the charge of an beta particle?
a)
-1
b)
+1
c)
0
d)
+2
16.
What is it called when atoms break apart to make smaller atoms?
a)
Fusion
b)
Fission
c)
Radiation
d)
Diffusion
17.
What happens to oppositely charged particles?
a)
Attract
b)
Repel
c)
Have no effect
d)
Quantum tunneling
18.
What is it called when atoms combine to make larger atoms?
a)
Fusion
b)
Fission
c)
Radiation
d)
Diffusion
19.
How many neutrons are in 136C?
a)
6
b)
7
c)
8
d)
13
20.
How many protons are in 136C?
a)
6
b)
7
c)
8
d)
13
21.
Which scientist created the Plum Pudding Model?
a)
Democritus
b)
JJ Thomson
c)
Bohr
d)
Mendeleev
22.
Which type of radiation is easiest to block?
a)
Alpha
b)
Beta
c)
Gamma
d)
They are all the same
23.
What is mass number?
a)
Electrons + Electrons
b)
Neutrons + Electrons
c)
Neutrons + Protons
d)
Protons + Electrons
24.
What is the isotopic notation for an atom with 6 protons and 7 neutrons?
a)
67N
b)
136C
c)
137N
d)
76C
25.
What did John Dalton create?
a)
The Modern Atomic Theory
b)
The most accurate model of the atom
c)
The Periodic Table
d)
The element Dubnium
26.
Where are electrons located in an atom and how do they move?
a)
In the nucleus shifting against each other
b)
Throughout the atom bumping into each other
c)
In the electron cloud moving about
d)
In the electron cloud standing still
27.
What is 1 amu almost equal to?
a)
1/2 the mass of an alpha particle
b)
1/2 the mass of 12C
c)
1 proton or 1 electron
d)
1 proton or 1 neutron
28.
In the isotopic notation for Uranium-236, what is the subscript (bottom #)?
a)
238
b)
92
c)
236
d)
144
29.
In the isotopic notation for Uranium-236, what is the superscript (top#)?
a)
238
b)
92
c)
236
d)
144
30.
What type of radiation is hardest to stop?
a)
Alpha
b)
Beta
c)
Gamma
d)
Delta
31.
What's 9 + 10?
a)
19
b)
21
c)
22
d)
20
32.
What type of radiation can be stopped with paper?
a)
Alpha
b)
Beta
c)
Gamma
d)
Delta
33.
Which type of radiation can be blocked by foil but not by paper?
a)
Alpha
b)
Beta
c)
Gamma
d)
Delta
34.
Which type of nuclear reaction do the sun and stars use?
a)
Fusion
b)
Fission
c)
Simple
d)
Complex
35.
What makes the nucleus of an atom stable?
a)
The ratio of protons to neutrons
b)
The ratio of electrons to neutrons
c)
The ratio of protons to electrons
d)
Protons must be equal to neutrons
36.
Which type of radiation is hardest to block?
a)
Alpha
b)
Beta
c)
Gamma
d)
Electron
37.
Where are protons located?
a)
Nucleus
b)
Outside the nucleus
c)
Niether
d)
Both
38.
When an electron falls into the nucleus, it is electron capture.
a)
True
b)
False
c)
Trulse
d)
Frue
39.
What charge does an electron have?
a)
Positive
b)
Negative
c)
Neutral
d)
None of these
40.
What is the approximate mass of the sun?
a)
1.989 x 1030 kg
b)
5.73 x 1031kg
c)
3.9843 x 1030 kg
d)
1.473 x 1030 kg
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