Atomic structure

7. Negatively charged subatomic particle
8. The place where electrons are found
9. Rows of the periodic table are also called ___________
10. The name of the scientist whos model we use to display electrons in an atom.
14. The organisation of electrons in an atom
15. A charged atoms by gaining or losing electrons
17. The scientist who said atoms were little spheres that were indivisible.

1. The number of protons or electrons in an atom
2. The person who discovered that atoms were mostly empty space with a small dense area in the centre
3. The area in an atom where protons and neutrons are located
4. The experiment done to discover atoms were mainly empty space
5. Neutrally charged subatomic particle
6. The person who created the periodic table
11. positively charged subatomic particle
12. Columns of the periodic table are also called ________
13. The number of protons and neutrons in an atom
16. An atom of the same element that has the same number of protone and electrons but a different number of neutrons