›› Physical and chemical properties of Calcium

Atomic Number:20
Element Symbol:Ca
Element Name:Calcium
Atomic Weight:40.078
Group Number:2
Group Name:Alkaline earth metal
Period Number:4
Block:s-block
Ground State Configuration:[Ar] 4s2
Ground State Level:1S0
Standard State:Solid
Common Valences:0,2
Bond Length:394.7
Atomic Radius Empirical:180
Atomic Radius Calculated:194
Covalent Radius Empirical:174
First Ionization Energy:589.8
Pauling Electronegativity:1.00
Sanderson Electronegativity:0.95
Allred Rochow Electronegativity:1.04
Mulliken Jaffe Electronegativity:1.08
Allen Electronegativity:1.034
Density Of Solid:1550
Molar Volume:26.20
Velocity Of Sound:3810
Youngs Modulus:20
Rigidity Modulus:7.4
Bulk Modulus:17
Poissons Ratio:0.31
Mineral Hardness:1.75
Brinell Hardness:167
Electrical Resistivity:3.4
Melting Point:842
Boiling Point:1484
Thermal Conductivity:200
Coefficient Of Linear Expansion:22.3
Enthalpy Of Fusion:8.54
Enthalpy Of Vaporization:155
Enthalpy Of Atmization:178
Most Common Oxidation Numbers:2
Color:Silvery white
Classification:Metallic
Discovered By:Sir Humphrey Davy
Discovered At:England
Discovered When:1808
Origin Of Name:From the Latin word calx meaning lime

Calculate the molecular weight of Calcium or molecular weight Ca.

Also see the full list of chemical elements and atomic weights.


››Compounds that contain Calcium

Calcium Carbide  CaC2
Calcium Chlorate  Ca(ClO3)2
Calcium Chloride  CaCl2
Calcium Cyanamide  CaCN2
Calcium Fluoride  CaF2
Calcium Hydride  CaH2
Calcium Hydroxide  Ca(OH)2
Calcium Oxide  CaO
Calcium Carbonate  CaCO3
Calcium Sulfate  CaSO4
Calcium Acetate  Ca(C2H3O2)2
Calcium Dihydrogen Phosphate  Ca(H2PO4)2
Calcium Nitrate  Ca(NO3)2
Calcium Tetrahydroaluminate  Ca(AlH4)2
Calcium Aluminate  CaAl2O4
Calcium Boride  CaB6
Calcium Bromide  CaBr2
Calcium Formate  Ca(HCOO)2
Calcium Cyanide  Ca(CN)2
Calcium Fumarate  Ca(C2H2(COO)2)
Calcium Oxalate  CaC2O4
Calcium Propionate  Ca(C2H5COO)2
Calcium Perchlorate  Ca(ClO4)2
Calcium Chloride Hexahydrate  CaCl2.6H2O
Calcium Hypochlorite  Ca(ClO)2
Calcium Chromate  CaCrO4
Calcium Hydrogenorthophosphate  CaHPO4
Calcium Hypophosphite  Ca(H2PO2)2
Calcium Iodate  Ca(IO3)2
Calcium Iodide  CaI2
Calcium Permanganate  Ca(MnO4)2
Calcium Molybdate  CaMoO4
Calcium Nitrite  Ca(NO2)2
Calcium Peroxide  CaO2
Calcium Perrhenate  CaRe2O8
Calcium Sulfide  CaS
Calcium Selenide  CaSe
Calcium Metasilicate  CaSiO3
Calcium Silicide  CaSi2
Calcium Telluride  CaTe
Calcium Titanate  CaTiO3
Calcium Tungstate  CaWO4
Calcium Pyrophosphate  Ca2P2O7
Calcium Silicate  Ca2SiO4
Calcium Arsenate  Ca3(AsO4)2
Calcium Citrate  Ca3(C6H5O7)2
Calcium Nitride  Ca3N2
Calcium Phosphate  Ca3(PO4)2
Calcium Phosphide  Ca3P2