Across
- 1. : Substance that tastes sour and has a pH below 7
- 6. : Group of atoms bonded together
- 9. : Smallest unit of an element that still has that element’s properties
- 10. : Substance that feels slippery and has a pH above 7
- 12. : Mass per unit volume of a substance
- 14. : Positively charged particle in the nucleus of an atom
- 15. : Pure substance made of only one kind of atom
Down
- 2. : Substance made of two or more elements chemically combined
- 3. : Negatively charged particle moving around the nucleus
- 4. : Substance (often liquid) that dissolves another substance
- 5. : Table that organizes elements by atomic number and properties
- 7. : Electrons in the outer shell that participate in bonding
- 8. : Neutral particle found in the nucleus of an atom
- 11. : Combination of substances that are not chemically bonded
- 13. : Compound formed when an acid reacts with a base