Covalent Bond CK-12

How many electrons are contained in a single covalent bond?

2

A water molecule is held together by ____ covalent bonds, meaning there are a total of ____ shared electrons in the molecule.

2,4

Which statement best describes a covalent bond

A chemical bond that involves sharing a pair of electrons between atoms in a molecule.

Which of the following does NOT contain a covalent bond?

CaO

Which statement(s) is/are TRUE about covalent bonds?

Covalent bonds can form between two nonmetal atoms. Covalent bonds can form between atoms of the same element. Covalent bonds can form between atoms of different elements.

Which of the following is a covalent molecule

H2O and O2

Which of the following is a covalent molecule?

H2O, O2, Cl2

Which of the following represents a covalent molecule?

O2, CO2, Cl2

A(n) _____ is the smallest particle of a covalent compound that still has the properties of the compound.

molecule

Elements that form diatomic molecules include

two of the above