12
Mg
Magnesium
24,305 u
Magnesium
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Chu kỳ
3
Nhóm
2
Khối
s-khối
Pha (STP)
Solid
Magnesium is a lightweight alkaline earth metal essential for living cells. It burns with a bright white flame and is used in alloys and fireworks.
Ngoại quan: Shiny grey solid
Compounds Containing Magnesium
Thêm Kim Loại Kiềm Thổ
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Frequently Asked Questions
What is Magnesium?
Magnesium (Mg) is a chemical element with atomic number 12. It is a solid at standard temperature and pressure, classified as a kim loại kiềm thổ.
What are the key properties of Magnesium?
Magnesium has an atomic mass of 24.305 u, density of 1.738 g/cm³, melting point of 649.9°C, boiling point of 1089.8°C.
What is the electron configuration of Magnesium?
The electron configuration of Magnesium is [Ne] 3s2. It is in the s-block of the periodic table.
Who discovered Magnesium?
Magnesium was discovered by Joseph Black in 1755.
What is the electronegativity of Magnesium?
Magnesium has an electronegativity of 1.31 on the Pauling scale.