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WorksheetsIsotopes & configurations #1
Total questions: 21
Worksheet time: 7mins
Name
Class
Date
1.
What comes after 6d?
a)
7s
b)
6f
c)
6s
d)
7p
2.
What comes after 5f?
a)
5d
b)
6d
c)
6p
d)
6s
3.
This is the electron configuration for what element... 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p1
a)
Aluminum
b)
Indium
c)
Gallium
d)
Silicon
4.
How many protons, electrons, and neutrons does Chlorine -36 have?
a)
17, 17, 19
b)
17, 19, 19
c)
17, 17, 36
d)
17, 19, 36
5.
Protons, neutrons, electrons
a)
36, 36, 84
b)
36, 46, 48
c)
36, 48, 84
d)
36, 36, 48
6.
True or false...The mass number comes from the periodic table.
a)
True
b)
False
7.
Valence electrons for Cesium
a)
1
b)
2
c)
3
d)
4
8.
Valence electrons for Sulfur
a)
3
b)
4
c)
5
d)
6
9.
What comes after 5s?
a)
4d
b)
3d
c)
4p
d)
3f
10.
Hyphen notation for 39 protons, 50 neutrons
a)
Yttrium - 89
b)
Yttrium - 88
c)
Yttrium - 50
d)
Yttrium - 39
11.
Valence electrons for Krypton
a)
8
b)
7
c)
6
d)
5
12.
Electron configuration for Arsenic
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
b)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3
c)
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
d)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2
13.
Noble gas notation for gold
a)
[Xe] 6s2 4f14 5d8
b)
[Kr] 6s2 4f14 5d9
c)
[Rn] 6s2 4f14 5d9
d)
[Xe] 6s2 4f14 5d9
14.
Noble gas notation for Radium
a)
[Rn] 7s1
b)
[Rn] 7s2
c)
[Uuo] 7s1
d)
[Uuo] 7s2
15.
Atomic number of Osmium
a)
75
b)
76
c)
190
d)
114
16.
Atomic number of Vanadium
a)
51
b)
50
c)
23
d)
27
17.
Mass number of Selenium - 79
a)
34
b)
45
c)
78
d)
79
18.
An atom that has its electrons in the lowest possible energy levels is in the
a)
Ground state
b)
Excited state
c)
State of confusion
d)
State of Texas
19.
Electron configuration for Calcium.
a)
1s2 2s2 2p6 3s1
b)
1s2 2s2 2p6 3s2
c)
1s2 2s2 2p6 3s2 3p6 4s1
d)
1s2 2s2 2p6 3s2 3p6 4s2
20.
Hyphen notation for 81 protons, mass number of 204
a)
Thallium - 81
b)
Thallium - 204
c)
Thallium - 124
d)
Thallium - 205
21.
The wave on the left has a ______ frequency and a ______wavelength than the wave on the right.
a)
higher, longer
b)
lower, shorter
c)
higher, shorter
d)
lower, longer
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