Changes

: [[Element]]s within a [[group]] all have engage in similar [[Chemical Reaction|reaction]]s. ==Key Stage 4=====Meaning==='''Chemical Properties''' the types of [[Chemical Reaction|chemical reaction]] that a [[chemical]] will be involved in. ===About Chemical Properties===: [[Element]]s on the [[Periodic Table]] show 'periodic' patterns in their [[reactivity]].: [[Element]]s within a [[group]] all engage in similar [[Chemical Reaction|reaction]]s with other .: The '''chemical properties''' of a [[chemical]] are determined by how easily [[electron]]s can be gained or lost from the [[Outer Shell|outer shell]], the [[charge]] of [[substanceion]]sthey produce and the strength of any [[Chemical Bond|chemical bonds]] they already have.