What happens to the number of outermost electrons as you move across a period?
 A.As you move across a period, the number of outermost electrons decreases.
 B.As you move across a period, the number of outermost electrons becomes more positive.
 C.As you move across a period, the number of outermost electrons increases.
 D.As you move across a period, the number of outermost electrons remains the same.