Metals usually become cations since electrons are negatively charged and when they are lost there are more protons than electrons making a positive net charge in the atom. (cations are positively charged ions while anions are negatively charged ions)
I hope this helps. Let me know if anything is unclear.
Answer:
cold
Warm air lifted over a moving cold air mass will produce a _____ front.
The drawing is correct because there are 12 atoms of each type on each side of the arrow.
