mg


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Mg,

symbol for the element magnesiummagnesium
, metallic chemical element; symbol Mg; at. no. 12; at. wt. 24.3050; m.p. about 648.8°C;; b.p. about 1,090°C;; sp. gr. 1.738 at 20°C;; valence +2. In 1808, Sir Humphry Davy discovered magnesium in its oxide, although it is not certain that he isolated the
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mg

(mechanics)
milligram

mG

(electromagnetism)
milligauss

Mg

(chemistry)
magnesium

MG

On drawings, abbr. for “motor generator.”

mg

(networking)
The country code for Madagascar.

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