[Answered] How many valence electrons are in silicon? A) 2 B) 4 C) 5 D) ...

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Author Question: How many valence electrons are in silicon? A) 2 B) 4 C) 5 D) ... (Read 75 times)

LCritchfi

Hero Member
Posts: 519

on: Aug 27, 2018

How many valence electrons are in silicon?

A) 2
B) 4
C) 5
D) 7

Question 2

What is the source of atmospheric pressure?

A) It is the weight of the air above that is pushing down on us.
B) It is the interatomic attraction between air molecules.
C) It is the potential energy stored in the gas molecules.
D) It is the stored solar energy in gas molecules.
E) none of the above

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perkiness

Sr. Member
Posts: 348

Reply #1 on: Aug 27, 2018

Answer to Question 1

B

Answer to Question 2

A

LCritchfi

Hero Member
Posts: 519

Reply #2 on: Aug 27, 2018

Thank you!

perkiness

Sr. Member
Posts: 348

Reply #3 on: Aug 27, 2018

Always glad to help...

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Author Question: How many valence electrons are in silicon? A) 2 B) 4 C) 5 D) ... (Read 75 times)

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