Across
- 3. electrons in outer orbital
- 6. when a new substance is created
- 9. I make up the parts of an atom
- 11. mixtures that have only one visible part
- 13. an atom with a net electric charge
- 14. have an positive charge in the atom
- 16. a substance that is made of only one kind of atom
- 17. characteristics that are used to describe a substance
- 18. a subatomic particle that has no charge
Down
- 1. a subatomic particle that has a positive charge
- 2. mixtures that have two or more visible parts
- 4. is when the form or state of a substance is changed
- 5. two or more elements that combine to form a substance
- 7. the degree of shininess of an object
- 8. how a substance reacts with something else
- 10. the number of protons in the nucleus of the atom
- 12. the ability to be dissolved easily
- 15. number of protons and neutrons in the nucleus