Question

3. In which atom duplet is completed
by sharing of an electron? *

In Helium atom,

In Lithium atom

In Hydrogen atom,​

Answer 1

Answer:

The octet rule also applies when covalent bonds are formed. Electrons are shared between the atoms in such a way that they each attain the octet (or duplet) state. A covalent bond is a chemical bond where electron pairs are shared between two atoms. These electron pairs are known as bonded pairs.

Answer 2

in hydrogen atom duplet is completed

by sharing of an electron