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Elemental magnesium is a gray-white lightweight metal, two-thirds the density of aluminium. Magnesium has the lowest melting (923 K (650 °C)) and the lowest boiling point (1,363 K (1,090 °C)) of all the alkaline earth metals.
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Element Magnesium (Mg), Group 2, Atomic Number 12, s-block, Mass 24.305. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Magnesium is the 12th element in the periodic table and has a symbol of Mg and atomic number of 12. It has an atomic weight of 24.305 and a mass number of 24. Magnesium has twelve protons and twelve neutrons in its nucleus, and twelve electrons in three shells.
4 wrz 2024 · magnesium (Mg), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table, and the lightest structural metal. Its compounds are widely used in construction and medicine, and magnesium is one of the elements essential to all cellular life.
Magnesium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.
1 wrz 2024 · 1st shell can hold 2 electrons. 2nd shell can hold 8 electrons. 3rd shell can hold 18 electrons. 4th shell can hold 32 electrons. Now the atomic number of Magnesium (Mg) is 12. Hence the magnesium element has electrons arrangement 2, 8, 2. This electron arrangement indicates that the outermost orbit of Magnesium element (Mg) has 2 electrons.
