It is B, From the bottom of the pyramid to the top
Answer:
O ice melts at 0°C that is the answer
D:
When electrons are gained, the charge of the atom decreases.
When you are given an atom with a charge, the oxidation of that atom is the charge. So by going from a Cr^3+ (Oxidation Number = 3) to a Cr^2+ (Oxidation Number = 2), the Oxidation Number thus decreases.
Answer: D
Explanation: because of because
