a. 1:1
b. 1:2
c. 2:1
d. 3:1
can you tell me how you got the answer? i get confused on the ratios, help?
2 Answers
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a. 1:1
Because Ca has a charge of 2+ and S has a charge of 2-, so if you cross multiply those charges you get Ca2S2, which can simplify to CaS, a 1:1 ratio.
...S does not have a charge of 3-
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none of the above.
ionic charge of Ca is +2, S is -3
you might be missing information