Chapter 2: Chemical Formulas part 2 SABIS Grade 9 (Level K)






What is the chemical formula of an ionic compound containing twice as many chloride ions as magnesium ions?


MgCl2

Mg2Cl

MgCl

2MgCl



MgCl2
Response:
That's the correct answer


What is the chemical formula of the ionic compound made from the elements calcium (group 2) and bromine (group 17)?

CaBr2

CaBr

2CaBr

Ca2Br







answer :
CaBr2
Response:
That's the correct answer

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