Chemistry Review
Across
- 5. Element that has 14 protons.
- 6. A _______ is a subatomic particle that has no charge.
- 7. The _________ number is the same as the number of protons.
- 8. Element that has an atomic number of 2.
- 10. Oxygen-18 has _______ neutrons.
Down
- 1. The positively charged subatomic particle in the nucleus of an atom.
- 2. A __________ is an ion with a positive charge.
- 3. The subatomic particle of an atom that has a negative charge.
- 4. A ___________ is an ion with a negative charge.
- 7. An ________ is the smallest unit of an element.
- 9. An ________ is an atom with any charge.