Ionic Bonding Worksheet with atomic diagrams and table for students to fill in reactions, valence electrons, electron transfer, and ions formed.

1) Li + Cl => LiCl
Atoms: Li, Cl
Valence electrons: 1, 7
Electron transfer from/to each atom: 1 electron from Li to Cl
Ions formed in the product: Li⁺, Cl⁻

2) Ca + O => CaO
Atoms: Ca, O
Valence electrons: 2, 6
Electron transfer from/to each atom: 2 electrons from Ca to O
Ions formed in the product: Ca²⁺, O²⁻

3) Be + F => BeF₂
Atoms: Be, F
Valence electrons: 2, 7
Electron transfer from/to each atom: 2 electrons from Be to two F atoms (1 each)
Ions formed in the product: Be²⁺, F⁻, F⁻

4) Mg + S => MgS
Atoms: Mg, S
Valence electrons: 2, 6
Electron transfer from/to each atom: 2 electrons from Mg to S
Ions formed in the product: Mg²⁺, S²⁻

5) K + F => KF
Atoms: K, F
Valence electrons: 1, 7
Electron transfer from/to each atom: 1 electron from K to F
Ions formed in the product: K⁺, F⁻