Stable electron configurations are likely to contain how many unpaired electrons are in a sulfur atom (atomic number 16)?

Iam so stuck. what is the worked out answer for this question?

What is the total surface area of this square pyramid?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.