The half reaction of an oxidation-reduction reaction shows that iron gains electrons. What does this electron gain mean for iron? A.
It is neutralized.
B.
It is oxidized.
C.
It is reduced.
D.
It has dissolved.
E.
It has precipitated.

C.  It is reduced.

Explanation:

C

Explanation:

Because it is reduced.

the energy to form plasma comes from heat or electricity in the atmosphere!

sunny~ ☺

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).