Across
- 3. Negatively charged particle in an atom
- 5. Substance made of two or more different elements
- 6. Substance that undergoes a chemical reaction
- 7. Charged atom
- 10. reaction Process where substances change into new substances
- 12. Two or more atoms bonded together
- 13. bond Bond formed by sharing electrons
Down
- 1. Atom with the same number of protons but different neutrons
- 2. Substance produced in a chemical reaction
- 4. Positively charged particle in an atom
- 7. bond Bond formed by transferring electrons
- 8. Center of an atom
- 9. Pure substance made of one kind of atom
- 11. Neutral particle in an atom
- 14. Smallest unit of matter