Which Of The Following Processes Involves Absorption Of Energy?

The correct order according to size is

The successive ionisation energy values for an element ‘X’ are given below: 

1^st ionisation energy = 410 kJ mol^–1

2^nd ionisation energy = 820 kJ mol^–1

3^rd ionisation energy = 1100 kJ mol^–1

4^th ionisation energy = 1500 kJ mol^–1

5^th ionisation energy = 3200 kJ mol^–1

Find out the number of valence electrons for the atom ‘X’. 

In which of the following arrangement the order is not according to the property indicated against it?

Which is the correct order of electronegativity?

The set representing the correct order of first ionisation energy is

The order of first ionisation energies of the elements Li, Be, B, Na is

An element with atomic number 106 has been discovered recently. Which of the following electronic configurations will it possess?

The ionic radius of ‘Cr’ is minimum in which of the following compounds?

In which of the following compounds does the ratio of anion size to cation size has the lowest value?

The five successive ionization energies of an element are 800, 2427, 3658, 25024 and 32824 kJ mol^–1 respectivley. The number of valence electrons is