All the answers are on the actual periodic table. You should never be told to remember it so I think this is a recourse you are allowed to look at whilst doing your homework lol :) all the answers are written on it hope it helps
32 electrons. as the orbitals get father away from the nucleus, they hold more electrons.
Answer:
Petrochemicals are chemical products derived from petroleum, although many of the same chemical compounds are also obtained from other fossil fuels such as coal and natural gas or from renewable sources such as corn, sugar cane, and other types of biomass.
I believe the answer you're looking for is, D. The motion of atoms and molecules.
There are 94 naturally occurring elements