Covalent Bond (non-metal + non-metal) Sharing of electron

[proton number: C:6, O:8]

- Electron arrangement of atom C is 2.4

- Atom C needs 4 more electron to achieve stable octet electron arrangement.

- Atom C contributes 4 electron for sharing

- Electron arrangement of atom O is 2.6

- Atom O needs 2 more electron to achieve stable octet electron arrangement

- Atom O contributes 2 electron for sharing.

- covalent compound, CO₂ is formed