Question
The atomic and ionic radii $(M^{3+}$ ions$)$ of Lanthanide elements decrease with increase in atomic number. This effect is called as$:$
✓
Answer
The atomic and ionic radii $(M^{3+}$ ions$)$ of Lanthanide elements decrease with increase in atomic number.
This effect is called Lanthanoid contraction. This is due to poor shielding of $f$ electrons.
This effect is called Lanthanoid contraction. This is due to poor shielding of $f$ electrons.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
→→→→→→→→
For the reaction 3A → 2B, rate of reaction $-\frac{ d [ A ]}{ dt }$ is equal to
→C−X bond is polar because:
Lysine, $\text{H}_{2}\text{N}-(\text{CH}_{2})_{4}-\text{CH}-\text{COOH}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{NH}_{2}$ is _______________.
→With ethoxyethane which compound is miscible to almost the same extent?
Dry distillation of calcium formate gives:
Hybridisation of carbon in diamonds is:
In which of the following mixtures dipole-dipole attraction is mainly found?
Which of the following has highest boiling point?
Which is used to differentiate between aldehyde and ketone :