Medium
Arrange the following in the decreasing order of radius: $S^{2-}, P^{3-}, Cl^{-}, Ca^{2+}, Ar, K^{+}$
- A$P^{3-} > S^{2-} > Cl^{-} > Ar > K^{+} > Ca^{2+}$
- B$Cl^{-} > P^{3-} > S^{2-} > Ar > K^{+} > Ca^{2+}$
- C$Ar > P^{3-} > S^{2-} > Cl^{-} > Ca^{2+} > K^{+}$
- D$K^{+} > Ca^{2+} > Cl^{-} > S^{2-} > P^{3-} > Ar$
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Which of the following orders is correct?
Explain the measurement methods of atomic radius.
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View SolutionWhich of the following represents the correct order of ionic radii?
Given below are two statements:
Statement $I$: The metallic radius of $Na$ is $1.86 \ \mathring{A}$ and the ionic radius of $Na^{+}$ is lesser than $1.86 \ \mathring{A}$.
Statement $II$: Ions are always smaller in size than the corresponding elements.
In the light of the above statements,choose the correct answer from the options given below:
Statement $I$: The metallic radius of $Na$ is $1.86 \ \mathring{A}$ and the ionic radius of $Na^{+}$ is lesser than $1.86 \ \mathring{A}$.
Statement $II$: Ions are always smaller in size than the corresponding elements.
In the light of the above statements,choose the correct answer from the options given below:
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