Never wash out a vile that you're not familiar with.

True

False

False, wash it out anyways, b/c there could be some dangerous chemicals or something in there that was used before you :)

Explanation:

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

the answer is c. it will give up it's valence electron to the other atom.