Across
- 4. A symbolic representation of a chemical reaction
- 5. A reaction where a more reactive element replaces a less reactive one
- 7. A neutral particle found in the nucleus
- 12. A reaction where one compound breaks down into simpler substances
- 14. A charged particle formed when atoms gain or lose electrons
- 15. A starting substance in a chemical reaction
- 16. An type of element that tends to gain electrons to form negative ions
- 17. The electrostatic attraction between oppositely charged ions
- 18. A positively charged ion formed by losing electrons
Down
- 1. A substance formed in a chemical reaction
- 2. A type of element that tends to lose electrons to form positive ions
- 3. A negatively charged ion formed by gaining electrons
- 6. A positively charged particle found in the nucleus
- 8. A negatively charged particle involved in bonding
- 9. How easily a substance undergoes a chemical reaction
- 10. A compound formed from positive and negative ions
- 11. A reaction where two or more substances combine to form one product
- 13. Relating to heat energy used in some reactions