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[[Beryllium]] is a [[metal]].
==Key Stage 3==
[[File:BerylliumSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Beryllium]].]]
[[File:Be-9_WK.PNG|right|200px|thumb|A 2 dimensional representation of a [[Beryllium]] [[atom]] with 4 [[proton]]s and 5 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 4 [[electron]]s orbiting the [[Atomic Nucleus|nucleus]].]]
===Meaning===
[[Beryllium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 4.
===About Beryllium===
====Molecular Structure====
: [[Beryllium]] has the [[Chemical Symbol|chemical symbol]] [[Beryllium|Be]].
: [[Beryllium]] joins [[atom]]s join together in large numbers to form a giant [[metal]] [[molecule]].
====Atomic Structure====
: [[Beryllium]] as 4 [[proton]]s and 5 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Atomic Number]] of 4 and an [[Relative Atomic Mass|atomic mass]] of 9.
==Key Stage 4==
[[File:BeKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Beryllium]].]]
[[File:Be-9_WK.PNG|right|200px|thumb|A 2 dimensional representation of the [[Bohr Model]] of a [[Beryllium]]-9 [[isotope]] with 4 [[proton]]s and 5 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 2 [[electron]]s in the first [[Electron Orbital|shell]] and 2 in the [[Outer Shell|outer shell]].]]
===Meaning===
[[Beryllium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with 4 [[proton]]s in the [[Atomic Nucleus|nucleus]].
: The most [[Stable Isotope|stable isotope]] of [[Beryllium]] has 5 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 9.
: An [[atom]] of [[Beryllium]] has only 2 [[electron]]s in its [[Outer Shell|outer shell]].
: [[Beryllium]] [[ion]]s have lost two [[electron]]s to become [[Positive ChargedCharge|positively charged]].
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|[[File:BromineIonFormationBerylliumIonFormation.png|center|400px]]
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| style="height:20px; width:200px; text-align:center;" |A [[diagram]] showing the formation of a [[Beryllium]] [[ion]].
: [[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]].
: [[Beryllium]] is a [[solid]] at [[STP|standard temperature and pressure]].
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