Atom

1. Protons

1.1. Less mass than neutrons

2. Nucleus

2.1. Neutrons

2.2. Protons

2.3. Radioactive

2.3.1. Alpha particle

2.3.2. Beta particle

2.3.3. Daughter

2.4. Atomic Radius

2.5. Shell

3. Atomic Number

4. Mass Number

4.1. Symbol

5. Electron Cloud

6. Element

7. Small

8. Electrons

8.1. Subshells

8.1.1. S orbitals

8.1.1.1. D orbitals

8.1.1.1.1. F orbitals

8.1.2. F orbitals

8.1.3. D orbitals

8.1.4. P orbitals

8.2. Shells

8.3. Orbitals

8.3.1. So

8.4. Hun's Rule

8.5. Energy Level

8.6. Aufbau Principle

8.6.1. Subshells

8.7. Pauli Exclusion Principle

8.8. Spin

8.9. Positron

9. Electron Dot Diagram

9.1. Valence Electrons

9.1.1. Diagonal Rule

10. Ion

10.1. Electrons

11. Neutrons

12. Isotopes

12.1. Neutrons

13. Periodic Table

13.1. Period

14. Electron Configuration

14.1. subshells

14.2. shells

14.3. electrons

15. Nuclear Decay

15.1. Radoactive

15.2. Alpha

15.3. Beta

15.4. Gamma

16. Subatomic particle