Chemistry: WebElements Periodic Table: Professional Edition: Calcium: ionization energies data

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Calcium

20
Ca
40.078(4)

Ionization Energies and Electron Affinity

Electron affinity

	Electron affinity [/kJ mol^-1]: 2.37

Ionization Energies

This section includes ionization energies of calcium. You can also use the form below to search for elements whose first ionization energies fit the criteria you choose.

Ionization energies of Ca

View Graphs	Ionization energy number	Enthalpy /kJ mol^-1
	1st	589.8
	2nd	1145.4
	3rd	4912.4
	4th	6491
	5th	8153
	6th	10496
	7th	12270
	8th	14206
	9th	18191
	10th	20385
	11th	57110

calcium
Key data; description Index for calcium History Pictures
calcium around us
Uses Geology Biology
calcium compounds
Reactions of calcium Compounds Bond enthalpies Radii in compounds Lattice energies Reduction potentials
nuclear properties
NMR Naturally occurring isotopes Radioisotopes
elemental properties
Bulk properties (density, resistivity, etc.) Thermal properties (melting point, etc.) Thermodynamic properties Crystal structure
electronic properties
Electronic configuration Ionization energies Electron affinities Electronegativities Effective nuclear charges Electron binding energies Atom radii Valence shell radii
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Document served: Friday 9th May, 2008