Across
- 3. Grain alcohol
- 5. Smallest particle of an element
- 7. An element with 8 protons
- 9. Component of periodic table
- 10. Positive particles in an atom
- 11. Charged particle
- 12. Compound of oxygen and another element
Down
- 1. It covers 71% of the Earth's surface
- 2. Negative particles in an atom
- 4. An element with 1 proton
- 6. Made of at least two atoms
- 8. Acid neutraliser