Part of ==Key Stage 4=====Meaning===[[Carbonate]] is a [[compoundNegative Ion|negative ion]] which contains 1 with a relative [[carbonElectrical Charge|charge]] of -2 and a [[Chemical Formula|chemical formula]] of CO<sub>3 </sub><sup>-2</sup>. ===About Carbonate===: [[oxygenCarbonate]] has gained two [[atomelectron]]s to have a relative [[Electrical Charge|atomscharge]] of -2.: [[Carbonate]] forms [[Ionic Bond|ionic bond]]s with [[Positive Ion|bondedpositive ions]] together.: [[Carbonate]]s containing a [[Carbonate]] are [[Ionic Compound|ionic compounds]]. ====Edexcel==== :[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Carbonates, reactions with acids, page 211, GCSE Combined Science, Pearson Edexcel '']:[https://www.amazon.co.uk/gp/product/1292120215/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120215&linkCode=as2&tag=nrjc-21&linkId=8f96ddb76196848bafdb124354e4cf77 ''Carbonates; reactions with acids, page 67, GCSE Chemistry, Pearson, Edexcel '']:[https://www.amazon.co.uk/gp/product/1292120215/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120215&linkCode=as2&tag=nrjc-21&linkId=8f96ddb76196848bafdb124354e4cf77 ''Carbonates; test for, page 198, GCSE Chemistry, Pearson, Edexcel ''] ====OCR====:[https://www.amazon.co.uk/gp/product/1782945679/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945679&linkCode=as2&tag=nrjc-21&linkId=a2db42f7b4bdf10cafaafa3bb9120940 ''Carbonate ions; test for, page 59, GCSE Chemistry; The Revision Guide, CGP, OCR Gateway '']:[https://www.amazon.co.uk/gp/product/0198359829/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359829&linkCode=as2&tag=nrjc-21&linkId=90e8d7b4f039d53035238fa0320fe00b ''Carbonates, pages 116, 150, 272-273, Gateway GCSE Chemistry, Oxford, OCR '']