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→About Beryllium
: [[Beryllium]] is the least [[Reactivity|reactive]] [[Alkali Earth Metal|alkali earth metal]].
: [[Beryllium]] 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]].
: [[Beryllium]] [[Chemical Reaction|reacts]] strongly with [[steam]] to produce [[Hydrogen]] [[gas]] and [[Beryllium Hydroxide]] and [[Chemical Reaction|reacts]] strongly with [[acid]]s to produce a [[Beryllium]] [[salt]].
: [[Lithium]] is a [[solid]] at [[STP|room temperature]].
: An [[atom]] of [[Beryllium]] has only 2 [[electron]]s in its [[Outer Shell|outer shell]].
: [[Beryllium]] [[ion]]s have lost 2 [[electron]]s to become [[Positive Charged|positively charged]].
==Key Stage 4==
===Meaning===