Magnesium is a chemical element with the symbol Mg and atomic number 12. Its common oxidation number is +2. It is an alkaline earth metal and the eighth most abundant element in the Earth’s crust and ninth in the known universe as a whole. Magnesium is the fourth most common element in the Earth as a whole (behind iron, oxygen and silicon), making up 13% of the planet’s mass and a large fraction of the planet’s mantle.
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When to train to increase life longevity
Few will argue about the importance of exercise to increase life longevity. But about the best time of day for them, opinions differ. Coach Deanna Hammond-Blackburn believes that it is best to...
Heartburn can be a manifestation of a fatal illness
American scientists conducted a study that showed that gastroesophageal reflux disease, one of the manifestations of which is heartburn, is associated with a high risk of developing cancer of the larynx and...