Across
- 2. any atom or group of atoms that bears one or more positive or negative electrical charges
- 4. one of the three basic subatomic particles, positive charge
- 7. negative charge
- 8. no charge
- 10. a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative
- 12. a type of chemical bond that is formed when electrons are shared equally between two atoms
- 14. a type of chemical bond in which valence electrons are lost from one atom and gained by another
Down
- 1. formed by the equal sharing of electrons from both participating atoms
- 3. a substance that can't be broken down into a simpler format
- 4. occurs when atoms are shared unequally in a covalent bond Man's best friend
- 5. the basic building block of chemistry
- 6. atoms with the same number of protons but different numbers of neutrons
- 9. a material formed by chemically bonding two or more chemical elements
- 11. the attraction of molecules for other molecules of the same kind
- 13. the attraction of molecules of one kind for molecules of a different kind
