Across
- 4. 'Na' is the chemical symbol of which element?
- 9. These are very light and have a negative charge
- 10. 'H' is the chemical symbol of which element?
- 12. The simplest alkaline and makes up natural gas
- 13. A fatty acid that is used for energy, insulation and protection
- 14. The smallest unit of stable matter
- 15. An atom is said to be ______ if the outer shell is filled
- 16. Uncharged subatomic particles found in the nucleus
- 18. The process by which weak hydrogen bonds reduce water evaporation
Down
- 1. Positively charged subatomic particles found in the nucleus
- 2. Number of carbons in Lauric acid
- 3. 'O' is the chemical symbol of which element?
- 5. Sodium chloride is formed by the creation of what (attracted by charge)?
- 6. Hydrogan ions lost from hydrogen atoms are known as what?
- 7. A simple sugar such as fructose or glucose
- 8. 'K' is the chemical symbol of which element?
- 11. A polysaccharide that humans use for stored energy
- 17. The maximum number of electrons in the second and third outer shells