Hydrogen is in Group 1 of the periodic table. Which kind of bond would form between two hydrogens?

Question

A. A covalent bond would form because the electron would be shared so both hydrogens have a full, stable shell
B. An ionic bond would form because both atoms are nonmetals
C. A metallic bond would form because both atoms are metals
D. An ionic bond would form because one hydrogen would transfer its valence electrons to the other hydrogen to make a full shell.

Answer 1

The correct answer is A. A covalent bond would form because the electron would be shared so both hydrogens have a full, stable shell.

Hydrogen atoms each have one electron in their outer shell and need one more electron to achieve a full shell, which is stable (the Helium configuration). When two hydrogen atoms come together, they can share their electrons, forming a covalent bond (specifically, a diatomic hydrogen molecule, H₂). This sharing allows both hydrogen atoms to reach a stable electronic configuration.