Chemistry classroom
Across
- 3. The number of protons in an atom
- 5. The weighted average of the masses of the isotopes that compose an element
- 6. A compound that increases the amount of H+ ions in an aqueous solution
- 10. A substance that cannot be broken down into simpler chemical substances by ordinary chemical means
- 11. The connection between two atoms in a molecule
- 12. A concise way of representing a chemical reaction
Down
- 1. The study of the interactions of matter with other matter and with energy
- 2. The process of a gas becoming a liquid
- 4. The process of an ionic compound separating into ions when it dissolves
- 7. The movement of gas molecules through one or more additional types of gas via random molecular motion
- 8. A combination of more than one element
- 9. A physical property defined as a substance’s mass divided by its volume