Answer:
Atoms are given a different weight based on the number of protons and neutrons in the nucleus and electrons in the surrounding cloud. The same electromagnetic force that keeps a single atom together can also hold two or more atoms together to form a molecule, while numerous molecules join together to form matter.Apr 25, 2017
Explanation:
2Agl + 1Na2S----->1 Ag2S + 2Nal
This may help
Its mass will stay the same
Answer:
they can become smaller or start fall apart or aroud
Explanation:
C is the answer because it had a change in properties meaning chemical change