Check the boxes that correctly complete this statement. all isotopes of an element

b) have the same number of protons.

c) have the same atomic number.

B and C are both true.

We don't know much about A or D .

ice to water 1 water to vapour 2 latent heat

i am pretty sure it is c because when people are closer together, they cannot move as freely. picture being in a mostly full elevator, for instance. the people are right next to you, and you can barely move.