Bonding Unit Review

Which substance has nonpolar covalent bonds?

• SiO₂

• SO₃

• Cl₂

• CCl₄

What is the number of pairs of electrons shared in a molecule of N₂?

• 1

• 2

• 3

• 6

Which Group 16 element combines with hydrogen to form a compound that has the strongest hydrogen bonding between its molecules?

• tellurium

• selenium

• sulfur

• oxygen

Which statement describes a multiple covalent bond?

• Two electrons are shared.

• Four electrons are shared.

• Two electrons are transferred.

• Four electrons are transferred.

Tags

NGSS.HS-PS1-1

A substance was found to be a soft, non-conducting solid at room temperature. The substance is most likely

• an ionic solid

• a network solid

• a molecular solid

• a metallic solid

What occurs in order to break the bond in a Cl₂ molecule?

• Energy is released.

• Energy is absorbed.

• The molecule creates energy.

• The molecule destroys energy.

Tags

NGSS.HS-PS1-4

The chemical bond in a hydrogen molecule is

• nonpolar covalent

• polar covalent

• ionic

• electrovalent

Which type of bond exists between an atom of carbon and an atom of fluorine?

• ionic

• metallic

• polar covalent

• nonpolar covalent

Which type of bond is found between atoms of solid cobalt?

• nonpolar covalent

• polar covalent

• metallic

• ionic

Tags

NGSS.HS-PS1-3

Which formula represents a polar molecule?

• H₂

• H₂O

• CO₂

• CCl₄

Tags

NGSS.MS-PS1-1