20,345
edits
Changes
no edit summary
==Key Stage 3==
===Meaning===
[[File:RubidiumSymbolRubidiumSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Rubidium]].]]
[[Rubidium]] is a [[Group 1]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 37.
===About Rubidium===
====Molecular Structure====
: [[Rubidium]] has the [[Chemical FormulaSymbol|chemical formulasymbol]] [[Rubidium|Rb]].
: [[Rubidium]] [[atom]]s join together in large numbers to form a giant [[metal]] [[molecule]].
====Atomic Structure====
==Key Stage 4==
[[File:RbKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Rubidium]].]]
===Meaning===
[[Rubidium]] is a [[Group 1]] [[element]], on the [[Periodic Table]], with 37 [[proton]]s in the [[Atomic Nucleus|nucleus]].
===About Rubidium===
====Molecular Structure====
: [[Rubidium]] has the [[Chemical FormulaSymbol|chemical formulasymbol]] [[Rubidium|Rb]].
: [[Rubidium]] [[atom]]s join together in a [[Giant Metallic Structure|giant metallic structure]].
====Atomic Structure====
: The most [[Stable Isotope|stable isotope]] of [[Rubidium]] has 48 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 85.
: An [[atom]] of [[Rubidium]] has only 1 [[electron]] in its [[Outer Shell|outer shell]].
: [[Rubidium]] [[ion]]s have lost an [[electron]] to become [[Positive ChargedCharge|positively charged]].
====Properties====
: [[Rubidium]] is a more [[Reactivity|reactive]] [[Alkali Metal|alkali metal]] than [[Potassium]] but less [[Reactivity|reactive]] than [[Caesium]].