Across
- 4. The combined number of protons and neutrons found in the
- 5. The positively charged center of an atom that contains protons and neutrons.
- 8. A negatively charged particle. (- electrical charge)
Down
- 1. the word comes from the Greek word “Atomos” which means indivisible. This means an atom cannot be broken down further and still maintain its individual characteristics
- 2. A positively charged particle. (+ electrical charge)
- 3. A letter used to abbreviate the name of a set of atoms or an
- 6. A neutrally charged particle. (0 electrical charge)
- 7. The number of protons found in an atom's nucleus.