Answer:
A mole is the amount of pure substance containing the same number of chemical units as there are atoms in exactly
12 grams of carbon-12 (i.e., 6.023 X 1023).
Explanation:
The particles move faster when more thermal energy is added creating heat.
A. an ion
The atom gains a net electrical charge if the number of protons and electrons are not equal which makes it an ion.
Volume perhaps ?
Hope this helps !
