Across
- 5. Where electrons exist
- 7. The smallest form of a chemical particle
- 8. A liquid that releases positively charged hydrogen ions
- 9. The number of protons in an element
- 12. The number of protons and neutrons in an element
- 15. Also known as acetic
- 17. Has a positive charge
- 19. Elements that are combined chemically
- 20. The arrangement of electrons
- 21. The opposite of an acid
- 23. The strongest form of radiation
- 24. Elements with an atomic number higher than 94
Down
- 1. A pure substance
- 2. Term for when elements and/or compounds rearrange in an equation
- 3. A substance that can't be broken down
- 4. Term for p and n together
- 6. Has a negative charge
- 7. 8000 times bigger than beta
- 10. Atoms that are bonded together
- 11. An acid and base reaction
- 13. The scale of how capable an atom attracts electrons in a covalent bond
- 14. Has a neutral charge
- 16. An element that has been affected by radiation
- 18. A table that organises elements
- 22. Also known as acid