Across
- 1. Tiny and negatively charged particle
- 7. Grey mass in the sky, made up of very small floating drops of water
- 8. Negative ion
- 9. Heavy and neutral particle
- 11. Any of the four substances (earth, water, air, and fire)
Down
- 2. Positive ion
- 3. It’s in the middle of the atom
- 4. Not supporting or helping either side in a conflict
- 5. Heavy and positively charged particle
- 6. Electrically charged atom formed by the loss or gain of one or more electrons
- 10. An arithmetical value like 4