Which of these equations for the formation of an oxide ion is correct?
0 + 2e" --> 02-
0 --> 02- + 2e

A

Explanation:

Because of the cathode

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.