Question

Hydrogen gas $\left(H_2\right)$ is used as fuel in rockets and space shuttles. The two hydrogen atoms in $H_2$ gas are bonded to each other by

• A. gaining of electrons
• B. forming ions
• C. sharing an electron pair
• D. transfer of electrons

Answer 1

The correct option is C

sharing an electron pair

The hydrogen atoms in hydrogen gas $\left(H_2\right)$ are held together by a covalent bond. A covalent bond is formed by sharing of electron pair(s).

Two electrons, each from one hydrogen atom, are shared by the two hydrogen atoms.