Valence Electrons Question Preview (ID: 38882)
Chemistry Activity 16a.
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How many valence electrons for Hyrdrogen?
a) 1
b) 2
c) 3
d) 4
How many valence electrons for Helium?
a) 1
b) 2
c) 3
d) 4
How many valence electrons for Beryllium?
a) 1
b) 2
c) 3
d) 4
How many valence electrons for Aluminum?
a) 1
b) 2
c) 3
d) 4
How many valence electrons for Carbon?
a) 1
b) 2
c) 3
d) 4
How many valence electrons for Nitrogen?
a) 5
b) 6
c) 7
d) 8
How many valence electrons for Oxygen?
a) 5
b) 6
c) 7
d) 8
How many valence electrons for Fluorine?
a) 5
b) 6
c) 7
d) 8
How many valence electrons for Neon?
a) 5
b) 6
c) 7
d) 8
What are valence electrons?
a) Electrons on the outer most shell of an element.
b) Total electrons on an atom.
c) Electrons that are in the nucleus.
d) They do not exist.
Why are valence electrons important?
a) They are fun!
b) They help determine reactivity of an element.
c) They are a physical property.
d) There is nothing important.
How do we know that number of valence electrons?
a) Guessing.
b) Adding them in our head.
c) Looking at the column numbers on the Periodic Table.
d) Looking at the atomic mass.
How many valence electrons can fit in the first shell?
a) 1
b) 2
c) 7
d) 8
How many electrons can fit in the second shell?
a) 1
b) 2
c) 7
d) 8
A completely stable atom has how many electrons?
a) 2 or 8
b) 1 or 7
c) 3 or 9
d) None of the above.
How many electrons until Oxygen is stable?
a) 2
b) 4
c) 6
d) 8
How many electrons until Fluorine is stable?
a) 1
b) 3
c) 5
d) 7
Is Sodium Chloride (NaCl) a stable compound?
a) Yes, there are 8 valence electrons.
b) No
c) Maybe
d) I don't know.
Is Hydroxide (OH) a stable compound?
a) Yes, there are 8 valence electrons.
b) No
c) Maybe
d) I don't know.
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