Carbohydrates, proteins, lipids, and Nucleic Acids.
Emitted/given off. exo is a way to remember that is is going away. think of a flame. the heat is emitted off onto you.
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:
13.75
Explanation:
gets halved every 8 days so halved twice
