14
• 1. Protons and Neutrons– Atomic mass of the atom
• 2. Electrons – Orbitals and Energy Levels– Involved in Bonding
Energy Level (Electron Shell)
Orbitals Max Number of electrons
1 S 2
2 S and P 2; 6 = 8
3 S and P 2; 6 = 8
4 S, P and D 2; 6; 10 = 18
5 S, P and D 2; 6; 10 = 18
6 S, P, D and F 2; 6; 10; 14 = 32
Orbital
Maximum Electrons
S 2
P 6
D 10
F 14
• 1. Atoms ----------- Elements – Fe, Ag, Al, Na
• 2. Elements --------- Molecules and Compounds – Molecules vs Compounds
