Across
- 3. Two or more atoms chemically bonded together.
- 4. Atoms of the same element with different numbers of neutrons.
- 6. A pure substance made of only one type of atom.
- 8. Non-metal+non-metal
- 9. The smallest unit of an element that retains its chemical properties.
- 10. The force that holds atoms together in molecules or compounds.
- 12. An atom or molecule with a positive or negative charge.
- 13. A substance formed when two or more different elements bond chemically.
Down
- 1. The liquid that does the dissolving
- 2. A positively charged particle found in the nucleus of an atom.
- 5. A negatively charged particle found outside the nucleus of an atom.
- 7. A neutral particle found in the nucleus of an atom.
- 11. The mass of a substance per unit volume.