Question

________ is responsible for the formation of covalent compounds between hydrogen atom and atoms of other elements.

a.
The high ionization energy of hydrogen

b.
The valence of hydrogen atom

c.
The high atomic radius of hydrogen

d.
The high electropositive nature of hydrogen

Answer 1

Which of the options explains low ionization energy?

a.
When the valence electron is at the zeroth order

b.
When the valence electrons are close to the nucleus

c.
When the effective nuclear charge felt by the valence electron is high

d.
When the effective nuclear charge felt by the valence electrons is low

Answer 2

b. The valence of hydrogen atom is responsible for the formation of covalent compounds between hydrogen atom and atoms of other elements.