Across
- 4. is the space taken by a matter
- 5. is a group of 2 or more atoms that held together by chemical bond
- 7. is the smallest unit that builds the matter
- 8. is pure substance that is made of 2 or more elements held together by chemical bond
- 9. is part of the atom that carries no charge
- 13. is anything that has mass and volume
- 14. can see its parts
Down
- 1. bond is a force of attraction between atoms
- 2. is part of the atom that carries a positive charge
- 3. can not see its parts
- 6. is pure substance that can not be broken
- 10. is made of 2 or more substances that are together without chemical bonds
- 11. is part of the atom that carries a negative charge
- 12. study of matter and how matter changes