Question:
Elements X, Y and Z have 4, 5 and 7 valence electrons respectively.
(i) Write the molecular formula of the compounds formed by these elements individually with hydrogen.
(ii) Which of these compounds will have the highest dipole moment?
Solution:
(i); XH4, H3Y, and HZ
Hydrogen has only one electron in its outermost shell it shares one electron to form a covalent bond or accepts or donates one electron to form an ionic bond.
(ii) The compound HZ has a linear shape and the difference in the electronegativity of Hydrogen and element Z is maximum.