Periodic Proper...

Which element has the highest 1^st ionisation energy?

The process requiring absorption of energy is

Which of the following elements has the greatest tendency to lose electrons?

To which group of the periodic table does the element with electronic configuration 1s², 2s², 2p⁶, 3s², 3p⁶, 3d¹⁰, 4s², 4p⁶, 4d¹⁰, 5s², 5p³ belong?

Modern periodic table is based on the atomic numbers of elements. Which of the following experiments proved the significance of the atomic number?

Choose the correct increasing order of electronegativities of the corresponding elements.

Diagonal relationship in the periodic table is shown by the elements of

Which of the following pairs contains an example of metalloid elements in the periodic table?

Iron triad of elements also contains

Which of the following statements is correct?

The decreasing order of the first ionisation energies of the following elements is

The following question has four choices out of which ONLY ONE is correct.

Which of the following orders of elements is correct in terms of decreasing ionization enthalpies?