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The Periodic Table
The Periodic Table
The Periodic Table
- Symbol: Mg
- Group: II
- Period: 3
- Relative Atomic Mass: 24
- Atomic Number: 12
- Status: Metal, Liquid at room temperature
Magnesium
24
12

O
Mg
The Group (column) Number =
the number of electrons on the outer shell of the atom
The Period (row) Number =
the number of shells on the atom
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