Across
- 3. A type of bond formed when atoms share electrons. (8)
- 6. The ion formed when a chlorine atom gains one electron. (8)
- 8. The metal in the ionic compound MgCl₂. (9)
- 9. The ion formed when an oxygen atom gains two electrons. (5)
- 11. What do you call an ion that lost its electrons? A "positive" influence! (5)
- 12. An atom or group of atoms with a charge due to loss or gain of electrons. (3)
- 14. The horizontal row in the periodic table. (6)
- 15. The metal in the ionic compound CaO. (7)
- 16. A compound ion with the formula NO₃⁻. (7)
- 17. The metal in sodium chloride. (6)
- 18. A compound ion with the formula CO₃²⁻. (9)
Down
- 1. A positively charged subatomic particle found in the nucleus. (6)
- 2. The vertical column in the periodic table that determines the number of outer electrons. (5)
- 4. A negatively charged subatomic particle involved in bonding. (8)
- 5. A compound ion with the formula SO₄²⁻. (7)
- 7. The ion formed when a fluorine atom gains one electron. (8)
- 10. A type of bond formed when atoms transfer electrons. (5)
- 11. A way of representing a compound using symbols and numbers. (7)
- 13. The dense central part of an atom containing protons and neutrons. (7)
- 16. A neutral subatomic particle found in the nucleus. (7)