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I need help with the questions

I need help with the questions-example-1
User Rdurand
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1 Answer

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First part-

Aluminum Ion Charge- +3

fluoride charge- -1

hydrogen charge- +1

chloride ion- -1

silicon ion- 4+ / +4

sulfide ion- -2 / 2-

cesium ion- 1+ / +1

gallium ion- 3+/ +3

oxide ion- 2-/-2

potassium ion- 1+/ +1

carbide ion- 2-/ -2

bromide ion- -1

barium ion- 2+/ +2

Second part- strontium- 2+/ +2

sulfur- -2

phosphorous- 3-/-3

bromine- -1/1-

User Manik
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