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Valence Electrons
Test Description: Chemistry Activity 16a
Instructions: Answer all questions to get your test result.
1) How many valence electrons for Hyrdrogen?
A
2
B
1
C
3
D
4
2) How many valence electrons for Helium?
A
3
B
2
C
4
D
1
3) How many valence electrons for Beryllium?
A
3
B
4
C
1
D
2
4) How many valence electrons for Aluminum?
A
4
B
3
C
1
D
2
5) How many valence electrons for Carbon?
A
2
B
3
C
4
D
1
6) How many valence electrons for Nitrogen?
A
6
B
5
C
8
D
7
7) How many valence electrons for Oxygen?
A
8
B
7
C
6
D
5
8) How many valence electrons for Fluorine?
A
7
B
8
C
5
D
6
9) How many valence electrons for Neon?
A
7
B
5
C
8
D
6
10) What are valence electrons?
A
Total electrons on an atom.
B
Electrons that are in the nucleus.
C
They do not exist.
D
Electrons on the outer most shell of an element.
11) Why are valence electrons important?
A
There is nothing important.
B
They are a physical property.
C
They are fun!
D
They help determine reactivity of an element.
12) How do we know that number of valence electrons?
A
Looking at the atomic mass.
B
Guessing.
C
Looking at the column numbers on the Periodic Table.
D
Adding them in our head.
13) How many valence electrons can fit in the first shell?
A
2
B
7
C
1
D
8
14) How many electrons can fit in the second shell?
A
2
B
7
C
8
D
1
15) A completely stable atom has how many electrons?
A
None of the above.
B
2 or 8
C
3 or 9
D
1 or 7
16) How many electrons until Oxygen is stable?
A
2
B
8
C
6
D
4
17) How many electrons until Fluorine is stable?
A
1
B
3
C
7
D
5
18) Is Sodium Chloride (NaCl) a stable compound?
A
No
B
Maybe
C
I don't know.
D
Yes, there are 8 valence electrons.
19) Is Hydroxide (OH) a stable compound?
A
Yes, there are 8 valence electrons.
B
Maybe
C
I don't know.
D
No
*select an answer for all questions
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