The d- and f- B...

The first IE of lithium is $$5.4$$eV and first electron affinity of $$Cl$$ is $$3.6$$eV. The value of $$\Delta H$$ for the reaction $$Li_{(g)} + Cl_(g) \rightarrow Li^{+}_{(g)} + Cl^{-} _{(g)}$$, is (in eV) :

The first ionisation potential of $$N, P, O$$ and $$S$$ are in the order of:

A reduction in atomic size with increase in atomic number is a characteristic of elements of:

Which of the following ions having the following electronic structure would have a maximum magnetic moment?

Titanium shows the magnetic moment of 1.73 BM. in its compound. What is the oxidation number of $$Ti$$ in the compound?

Which of the following belongs to the actinide series of elements?

In the dichromate anion,

Which of the following belongs to actinoid series of elements?

The radius of $$La^{3+}$$ (At. no. of La = 57) is 1.06A. Which one of the following given values will be closest to the radius of $$Lu^{3+}$$? (At. no. of Lu = 71)

Transition metals are less reactive than alkali metals because they have: