Which of the following metals (M) will form an ionic compound with nitrogen with
the general formula M N ?

A. lithium (Li)
B. aluminum (AI)
C. sodium (Na)
D. beryllium (Be)

Which one of the following gases is not an important component of soil?

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.