Questions
Zn and Cd metals do not show variable valency because :
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a
They have only two electrons in the outermost subshells
b
Their d-subshells are completely filled
c
Their d-subshells are partially filled
d
They are relatively soft metals
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Correct option is B
Zn and Cd metals do not show variable valency because their d-subshells are completely filled.Talk to our academic expert!
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The atomic number of an element having the valency shell electronic configuration is
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