1.) What is TWO or more DIFFERENT atoms joined together by bonds such as NaCl or H20? 2.) What particles of an atom are negatively charged, found in the energy levels moving rapidly around the nucleus?

What type of reaction is zn + cucl2 → cu + zncl2?

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?