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→About Beryllium
[[Beryllium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 4.
===About Beryllium===
: [[Beryllium]] has the [[Chemical FormulaSymbol|chemical formulasymbol]] [[Beryllium|Be]].
: [[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.
: [[Beryllium]] is the least [[Reactivity|reactive]] [[Alkali Earth Metal|alkali earth metal]].