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#1: Arsenic is a metalloid. How many valence electrons does arsenic have?

A. 3

B. 4

C. 5

D. 6

User Tomjen
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2 Answers

5 votes

Answer: It has 5.

Step-by-step explanation:

User Naftali Beder
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Arsenic, As belongs to group 15 (formerly group 5A).

The number of valence electrons is given by the last digit in the number of the group, i.e. 5. Then the answer is the option C. 5.
User Dezo
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