Magnesium (Mg) in the periodic table — PeriodicTable

Magnesium (Mg) in the periodic tableMagnesium is element 12, an alkaline earth of the s block, in group 2, period 3. Its ground-state configuration is [Ne] 3s2, and it usually shows the oxidation states 0, 2.It was discovered in 1755, by Black.Name origin: Magnesia, a district of Eastern Thessaly in Greece. Blank rows are columns the sheet does not measure for this element.

Property

Value

Unit

Atomic weight

24.3059

Da

Electronegativity

1.31

First ionisation energy

737.7

kJ/mol

Covalent radius

130

pm

Van der Waals radius

173

pm

Melting point

923

K

Boiling point

1363

K

Density

1.738

g/cm³

Abundance

23300

mg/kg

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