1. Tardigrade
  2. Question
  3. Chemistry
  4. Write the number of pairs in which size of first element or ion is higher. As compared to IInd out of following nine pairs. (O, S), (He, Ne), (Kr, Ne), (Na, Na+), (Cl, Cl-), (I-, Cl-), (Li+, Na+), (Li, Na), (Li, Na+)

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Q. Write the number of pairs in which size of first element or ion is higher.
As compared to IInd out of following nine pairs.
$(O, S), (He, Ne), (Kr, Ne), (Na, Na^{+}), (Cl, Cl^{-}), (I^{-}, Cl^{-}), (Li^{+}, Na^{+}), (Li, Na), (Li, Na^{+})$

Classification of Elements and Periodicity in Properties

Solution:

$(Kr, Ne), (Na, Na^{+}), (I^{-}, Cl^{-}), (Li^{+}_{Aq}, Na^{+}_{Aq})$