Across
- 3. A subatomic partical with a negative charge
- 6. Two or more atoms bonded together
- 7. the smallest unit of matter
- 9. A subatomic partical with a positive charge
- 10. pure substances made of only one type of atom on the periodic table
Down
- 1. a repeating pattern of atoms or molecules bonded together
- 2. A subatomic partical with a neutral charge
- 4. A substance that is the same throughout and is made of only 1 type of substance
- 5. anything with mass and volume
- 8. two ore more atoms or molecules are combined (NOT bonded)