5= chemicals
6= hormones
Don't know the other ones.
Answer:
Valence electrons are the outermost electrons of an atom and are normally the only electrons that participate in chemical bonding. Atoms with full valence electron shells are extremely stable and therefore do not tend to form chemical bonds and have little tendency to gain or lose electrons.
Answer:
maybe talc because it is the softest type of rock
Explanation:
Answer: True
Explanation: To be honest, I guessed. But, it looks right to me. If you don't trust it, you should wait for someone else to answer. Sorry! :(
The theory assumes that particles don't experience intermolecular forces. Thats right answer