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→About Magnesium
: [[Magnesium]] is a more [[Reactivity|reactive]] [[Alkali Earth Metal|alkali earth metal]] than [[Beryllium]] but less [[Reactivity|reactive]] than [[Calcium]].
: [[Magnesium]] is more [[Reactivity|reactive]] than [[Carbon]] on the [[Reactivity Series|reactivity series]] so it must be [[Extraction of Metals|extracted]] from its [[ore]] using [[electrolysis]].
: [[Magnesium]] [[Chemical Reaction|reacts]] slowly with [[liquid]] [[water]] and strongly with [[steam]] to produce [[Hydrogen]] [[gas]] and [[Magnesium Hydroxide]]and strongly with [[acid]] to produce a [[Magnesium]] [[salt]]s.
: [[Magnesium]] is a [[solid]] at [[STP|room temperature]].
: An [[atom]] of [[Magnesium]] has only 2 [[electron]]s in its [[Outer Shell|outer shell]].
: [[Magnesium]] [[ion]]s have lost 2 [[electron]]s to become [[Positive Charged|positively charged]].
==Key Stage 4==
===Meaning===