The formula of a compound is
Given:
The ions and
To find:
The formula for ions and
Solution:
The ion with a positive charge (cation) = nickel ion =
The ion with a negative charge (anion) = nitrate ion =
Valency on nickel ion = 2
Valency on nitrate ion = 1
Using the criss-cross method as shown in image
The formula of a compound :
The name of a compound is nickel(II) nitrate
The formula of a compound is
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