Periodic Table Questions

Which of the following has the maximum number of unpaired electrons ?

Which of the following orders of ionic radii is correctly represented?

Be2+ is isoelectronic with which of the following ions?

Reason of lanthanoid contraction is

In which of the following options the order of arrangement does not agree with the variation of propertyindicated against it?

Which of the following represents the correct trend for the mentioned property?A. Frist Ionization EnergyB. Electron AffinityC. Metallic characterD. - Basic characterChoose the correct answer from the...

An element has electronic configuration [Xe] 4f7 5d1 6s2. It belong to the.....block of the periodic table.

Ionisation energy of F-1 is -320 kJ/mol then electron affinity of F would be :-

Which of the following is the correct statement :(a) Boron is diagonally related to silicion(b) Elements of third group are known as bridge elements(c) There are eighteen groups and seven period in ex...

Select the correct statement :-

Which of the following is correctly matched :-

Which one of the following group contain metals, nonmetal as well as metalloid :-

The greater reactivity of F2 is due to :-

Which of the following has the least electron affinity in kJ mol-1 :-

Which of the following does not have hemiacetal group :-

Which of the following properties in general increases along a period :-

In which of the following process energy is absorbed:

In which of the following process energy is absorbed:

In which of the following process energy is absorbed:

In which of the following process energy is absorbed: