Across
- 3. negative charged particles that move around the nucleus
- 6. number of protons
- 7. another name for a column on the periodic table
- 8. another name for a period on the periodic table
- 10. an atom that has the same number of protons but may differ in the number of neutrons, resulting in a difference in atomic mass
Down
- 1. equal to the number of protons and neutrons added together
- 2. a particle with no electoral charge and they are located in the nucleus of an atom
- 4. positively charged particles located in the nucleus of an atom
- 5. the ability to change or move matter
- 9. an atom that carries an electoral charge