Across
- 6. The sharing of one pair of electrons
- 7. Thermal energy in the transfer of one body of matter to another
- 8. The clinging of one substance to another
- 10. The energy of motion cel
- 12. A positively charged ion
- 14. Two atomic forms of an element that differ in the number of neutrons
- 15. Measure of how hard it is to break the surface of liquid
- 16. The final molecules of a chemical reaction
- 18. The sharing of a pair of valence electrons by two atoms
- 19. Why molecules stay close together
Down
- 1. The sharing of one pair of electrons
- 2. The amount of heat required to raise the temperature of 1 g of water by 1 degree Celius
- 3. The making and breaking of chemical bonds
- 4. An attraction between an anion and a cation
- 5. A negatively charged ion
- 9. An atom's attraction for the electrons of a covalent bond
- 11. Measure of the total amount of kinetic energy due to molecular motion
- 13. Has the capacity to cause change
- 15. The dissolving agent of a solution
- 17. The starting molecules of a chemical reaction