COVALENT BOND CK12

Which of the following does NOT contain a covalent bond?

CaO

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 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.

How many electrons are contained in a single covalent bond?

2

Which of the following represents a polar covalent compound?

H2O

Which of the following is a covalent molecule?

H2O, O2

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