Which is not true of a resistor? A. It makes some energy turn into heat.
B. It hinders the flow of current.
C. More than one can be used in a circuit.
D. Its unit of measurement is the ampere.

B

Explanation:

I picked b because the hider the flow current

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72