Question

What is the symbol for the chlorine ion that forms when chlorine nonmetal reacts with sodium? A. C +1 B. Cl -1 C. Cl+1 D. C -1

Answer 1

B. Cl -1

Step-by-step explanation:

Chlorine has 7 valence electrons and needs one more to complete its octet thus takes one electron from sodium to become negatively charged Cl^-1.