Workplace Hazardous Materials Information System is the answer to this question. Hope it helps :)
Answer: a + 2
Explanation: Alkali Earths or Group II has an ionization charge of a + 2. Alkali Metals have a ionization a + 1. Halogens or cold elements have a ionization of a +3.
Answer:
Increase in pressure
Explanation:
The rise in temperature will increase the pressure of the gas.