The formula of calcium bromide is CaBr2\text{CaBr}_2CaBr2.
Give the total number of ions in the formula CaBr2\text{CaBr}_2CaBr2.
Practise Edexcel GCSE Chemistry Ionic bonding with exam-style questions for Foundation and Higher tier. 42 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.