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Subjects
Science State Board
Class 8
Atomic structure
Introduction to valency and chemical equations
14.
Variable valency
Exercise condition:
6
m.
Arrange the following ions into monovalent, divalent and trivalent:
Answer variants:
\( Nd^3{^+}\)
\(Cd^2{^+}\)
\(Br^-\)
\( Si^4{^+}\)
1
.
Monovalent
-
2
.
Divalent -
3
.
Trivalent -
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