Question

What does the number above the symbol represent?

Answer 1

Answer:

APEX

Explanation:

The Atomic Number

Answer 2

Answer:

D. The ionic number.

Explanation:

Whenever an element losses or gains an electron; it becomes charged, thus turns to an ion. The ion can either be positively charged when it losses an electron or negarively charged when it gains an electron. The number shows the required number of electrons gained (negative) or lost (positive).