19,879
edits
Changes
no edit summary
==Key Stage 4==
[[File:BeKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Beryllium]].]]
[[File:Beryllium2dWK.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 4 2 [[electron]]s orbiting in the first [[Atomic NucleusElectron Orbital|nucleusshell]] 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]].