Question

6) The first four ionization energies of atoms of elements X, Y and Z are given below (where M = X, Y,Z):

IONISATION ENERGY

ELEMENT M FIRST SECOND THIRD FOURTH

X 738 1450 7730 10550

Y 800 2427 3658 25024

Z 495 4563 6912 9540

Which element/s M is/are most likely to have a nitride compound with formula MN?

A. X

B. Y

C. Z

D. Both X and Y

E. Both Y and Z

Answer 1

C) Z