Which molecule is polar?

a.) ccl4

b.) co2

c.) so3

d.) none of these.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation

A0.100-kilogram apple hangs in a tree 1.50 meter above the ground. ignore frictional effects, the total mechanical energy of the apples is