Chemistry of Life
Across
- 3. The center of an atom; contains protons and neutrons
- 4. Positively charged subatomic particles that make up atoms
- 7. Changing the temperature of water from cold to warm requires
- 9. Type of bond that involves sharing electrons
- 11. Molecules that that make up living things an contain carbon are called___ Molecules
- 13. Large molecules made of many small subunits
- 14. Shows elements arranged in order by atomic number: the_______ table
- 16. Weak interactions responsible for the "sticky feet" of geckos:___ Forces
- 18. Type of bond that involves sharing electrons
- 19. Type of bond that causes water to stick to other things
Down
- 1. Neutral subatomic particles found in the nucleus of an atom
- 2. Formed between water molecules; type of weak bond:________bond.
- 5. Compounds that consist of chains of carbon
- 6. A large amount of energy is needed to change water temperature; it has a high heat_____
- 8. _________refers to molecules that have partial negative and positive charge
- 10. Type of bond that causes water to stick with other water molecules
- 12. Substances that consist of two or more elements
- 15. Substances that consist of only one type of atom
- 17. Lactase is an_____ that breaks down milk sugar
- 20. Negatively charged subatomic particles that make up atoms