MCQ
In group 16, atomic radii ____________ down the group while atomic radii ____________ across a period.
- Adecreases, decreases
- Bdecreases, increases
- ✓increases, decreases
- Dincreases, increases
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$\ce{\underset{(X)}{[Cr(H2O)6]Cl3}}$ and $\ce{\underset{(Y)}{[Cr(H2O)5Cl]Cl2.H2O}}$
X and Y are examples of ____________ isomers.
The motion of particle is ____________.