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Subjects
Science State Board
Class 8
Atomic structure
Introduction to valency and chemical equations
7.
Ion and their symbols
Exercise condition:
8
m.
Match the correct ion on their symbols:
Information
Author
Zinc cation
\(Zn^2{^+}\)
\(Fe^2{^+}\)
\(Sn^2{^+}\)
\(Zr^2{^+}\)
electron gain
\(=\)
\(*\)
\(-\)
\(+\)
Cadmium cation
\(Kd^2{^+}\)
\(Cd^2{^+}\)
\(Kd^2{^-}\)
\(Cd^2{^-}\)
\( SO_4{^2}{^-}\)
Sulfate ion
Sulfate anion
Salfote anion
Sulfate cation
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