Covalent Bonding Notes

These flashcards cover key concepts related to covalent bonding, including definitions, examples, and important rules.

A covalent bond involves the __ of electron pairs between atoms.

sharing

In covalent bonding, nonmetal elements must have valence electrons to be stable, except for hydrogen which needs .

8; 2

A single bond involves shared electrons, while a double bond involves shared electrons.

1; 2

A pair of electrons that is shared between two atoms is called a __.

bond pair

A pair of electrons that is not shared between two atoms is called a __.

lone pair

The stability of an atom in covalent bonding is explained by the __ rule.

octet

The molecule H2O consists of and , both of which are non-metals.

hydrogen; oxygen

In the molecule CO2, carbon needs electrons while each oxygen needs electrons.

4; 2

The covalent compound for hydrogen and sulfur is __.

H2S

The covalent compound for nitrogen and hydrogen is __.

NH3