Choose the correct alternative:
Total number of electrons in a d subshell haivng `s = +(5)/(2) is 5//10`

The correct set of quantum numbers for a 4d electron is

Total number of electrons present in 48g mG^(2+) are :

Calculate the total number of electrons present in 2.3g of ethane.

The number of valence electrons in a sulphide ion, S2–, is :

Choose the correct alternative: World Environment day falls on 5th June/ 16th September.

Choose the correct alternative:- If the zero of potential energy is at infinity, the total energy of an orbiting satellite is negative of its kinetic//potential energy.

Choose the correct alternative. Animal''s place in the environment and its functional role in an area is called habitat/ecological niche.

Choose the correct alternative: Primary/tertiary amines donot react with Hinsberg’s reagent.

Choose the correct alternative: Cerium (Z = 58) exhibits +2/+4 oxidation state.

Calculate number of electron present in 9.5" g of" PO_(4)^(3-) :