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Elements which generally exhibit multipl...

Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are

A

metalliods

B

transition elements

C

non - metals

D

gases

Text Solution

Verified by Experts

The correct Answer is:
b
Atomic mass of Y `=("atomic mass of X+ atomic mass of Z")/(2)`
`=(7+39)/(2)=(46)/(2)=23`
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