8) Which compound contains polar covalent bonds?
a) MgCl2
b) BaF2
c) CHE
d) SiO2
e) O2

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.