what is the number of protons in cobalt
Cobalt: Symbol: Co Atomic Number: 27: Atomic Mass: 8.9332 atomic mass units Number of Protons: 27: Number of Neutrons: 32: Number of Electrons: 27: Melting Point: 1495.0Â° C: Boiling Point: 2870.0Â° C: Density: 8.9 grams per cubic centimeter: Normal Phase: Solid: Family: Transition Metal: Period Number: 4: Cost: $21 per 100 grams