Across
- 4. Chemical bonding formed by the sharing of electrons.
- 5. A substance containing a single type of atom.
- 7. A group of atoms bonded together.
- 8. Electrons are most stable when there are eight of them in the outermost shell is called the _____ rule.
- 10. Charged particles.
Down
- 1. Electrons in the outermost orbital are called _______ electrons.
- 2. Chemical bonding formed by the transfer of electrons.
- 3. The basic building block for all matter.
- 6. Layers in the electron cloud where electrons exist (two words, no spaces).
- 9. A molecule containing two or more different types of atoms.