The symbol for a barium ion is Ba2+\text{Ba}^{2+}Ba2+. The symbol for a bromate ion is BrO3−\text{BrO}_3^-BrO3−.
What is the formula for barium bromate?
BaBrO3\text{BaBrO}_3BaBrO3
BaBrO32\text{BaBrO}_{32}BaBrO32
Ba(BrO3)2\text{Ba}(\text{BrO}_3)_2Ba(BrO3)2
Ba2BrO3\text{Ba}_2\text{BrO}_3Ba2BrO3
74 exam-style questions on OCR GCSE Chemistry Bonding. Each one has a worked solution and a mark scheme showing where the marks go.