Which has higher energy 3d or 4s orbital why?

A 4f orbital has

Which has a higher enthalpy of adsorption physlsorptlon or chemisorption ?

Which has higher lattice energy: NaCl or MgO'? Why?

Which has higher value for 1st ionisation enthalpy - oxygen or nitrogen. Why?

Out of ethyl chloride and ethyl bromide, which has higher boiling point. why?

A transition element is defined as one which has incompletely filled d - orbitals in its ground state or in any one of its oxidation states Why are Zn Cd and Hg not regarded as transition metals?

Analyse the given subshell electronic configurations and answer the questions (Symbols are not real) A - [Ne] 3s^2 3p^2 B - [Ne] 3s^2 C - [Ar] 4s^1 D - [Ar] 4s^2 3d^2 a. Which element has higher electronegativity? b. Which element shows various oxidation states? c. Write the total number of p electrons in the element C. d. Which element has ionization energy?

Which of the following statements in relation to the hydrogen atom is correct? 3s orbital is lower in energy than 3p orbital, 3p orbital is lower in energy than 3d orbital, 3s and 3p orbitals are lower in energy than 3d orbital, 3s and 3p orbital all have the same energy

Assertion : Energy of orbitals in hydrogen atom is 1slt2s=2plt3s=3p=3dlt4s=4p=4d=4f Reason : The energy of orbitals in hydrogen atom is determined by using principal quantum number.

Molecule 'A' is twice as heavy as the molecule 'B .' Which of these has higher kinetic energy at any temperature?