Metals tend to — electrons and nonmetals tend to —
Electrons

Non-metals tend to gain electrons to attain Noble Gas configurations. The have relatively high Electron affinities and high Ionization energies. Metals tend to lose electrons and non-metals tend to gain electrons, so in reactions involving these two groups, there is electron transfer from the metal to the non-metal.

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots

increased stability in the completion of fluorine's outer shell.