Across
- 2. positive charge particle centre of atom
- 3. centre of an atom
- 5. this current flows positive to negative
- 7. SI unit for electrical quantity
- 8. SI unit for current
- 9. current is the of atoms
Down
- 1. has free electrons in its outer shell
- 4. has no free electrons in the outer shell
- 6. negative charged particle that orbits an atom