Name:  Copper

Atomic Symbol and Mass Number: Cu [29]

Electron Configuration: [Ar] 3d    4s

Atomic Radii: 140 pm

Electron Affinity: 118.4 kJ mol-1

Oxidation states: -2, +1, +2, +3, +4

Electronegativity value: 1.90

Elemental Group: Transition Metal

Uses and properties:

• Reddish orange, soft metal with a bright metallic luster

• Malleable and ductile

• Excellent thermo and electro conductor

• Corrodes in the presence of water and air

• Electrical equipment wiring and motors

• Material for roofs, gutters, and rainspouts

• Used in plumbing and kitchenware

• Gun metals

• Fungicide and algicide in rivers, lakes, and ponds (Copper sulphate)

• Reagent in testing for the presence of simple sugars (Copper oxide)

 

Lewis diagram: