<span>Petroleum is found in sedimentary rock.
</span><span>Petroleum was once living organisms, which were compressed due to high pressure.
</span><span>Petroleum is used to make plastics.
Petroleum is used to make petrochemicals.
It is a yellow-black liquid compound found in various geologic sites and used in numerous products, and as a fuel. </span>
Answer:
cannot be broken down further
Oxygen difluoride, OF2 , is a polar molecule because it has a bent molecular geometry. This molecular geometry ensures that the dipole moments associated with the oxygen - fluoride bonds do not cancel each other out to produce a nonpolar molecule.
Answer:
sub-particle charge mass
protons +1 1
neutron 0 1
electron - 1 negligible
protons and neutrons are found in the nucleus
electrons in the shells orbiting the nucleus