1. Element: Boron
No. of protons: 5
No. of electrons: 5
No. of neutrons: 6
2. Element: Argon
No. of protons: 18
No. of electrons: 8
No. of neutrons: 22
3. Element: Krypton
No. of proton: 46
No. of electrons: 46
No. of neutrons: 40
4. Element: Sulfur
No. of protons: 16
No. of electrons: 16
No. of neutrons: 16
5. Element: Iron
No. of protons: 26
No. of electrons: 26
No. of neutrons: 36
6. Element: Tin
No. of protons: 50
No. of electrons: 50
No. of neutrons: 69
7. Element: Calcium
No. of protons: 20
No. of electron: 20
No. of neutrons: 20
8. Element: Magnesium
No. of protons: 12
No. of electrons: 12
No. of neutrons: 12
9. Element: Aluminum
No. of protons: 13
No. of electrons: 13
No of neutrons: 13
10. Element : Copper
No. of protons: 29
No. of electrons: 29
No of neutrons: 35