physical science review

Edit Answers
123456789101112
Across
  1. 1. The center of an atom, containing protons and neutrons.
  2. 6. A measure of the average kinetic energy of particles in a substance. TEMPERATURE
  3. 7. NUMBER The number of protons in an atom's nucleus, identifying its element. ATOMIC NUMBER
  4. 8. A substance that speeds up a chemical reaction but is not consumed in the process.
  5. 11. The state of matter with a definite shape and volume.
  6. 12. A type of bond formed when atoms share electrons.
Down
  1. 2. REACTION The process in which atoms rearrange to form new substances. CHEMICAL REACTION
  2. 3. A solution that cannot dissolve more solute at a given temperature.
  3. 4. The smallest particle of an element that retains its properties.
  4. 5. The attraction of an atom for shared electrons in a bond.
  5. 9. OF CONSERVATION OF MASS The principle stating that matter is neither created nor destroyed in a chemical reaction. LAW OF CONSERVATION OF MASS
  6. 10. A substance formed by the chemical combination of two or more elements in specific proportions. COMPOUND