3. compare the volumes of each material. when the volume increased, what happened to the density?

a) it increased.

b) it decreased.

c) it stayed the same

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

i dont know it at allnow im just getting points at this pint

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called