Across
- 3. Scale used to measure acidity or alkalinity
- 6. Substance with a pH less than 7
- 7. Connection between atoms in a substance
- 9. A pure substance made of only one type of atom
- 11. Negatively charged particle in an atom
- 13. A sudden and violent release of energy
- 14. Table Chart where all known elements are organized
- 15. Atom or molecule with an electric charge
Down
- 1. Substance with a pH greater than 7
- 2. Combination of two or more substances not chemically bonded
- 3. Describes repeating patterns in the periodic table
- 4. Two or more atoms bonded together
- 5. Liquid that dissolves another substance
- 8. Element that is typically shiny and conducts heat and electricity
- 10. The smallest unit of matter
- 12. Particle in the nucleus with no electric charge