Covalent Bonds Test Review

The chlorine atoms in hydrogen chloride have a stronger attraction for the electrons than the hydrogen atoms do. The hydrogen chloride molecule is therefore a nonpolar covalent molecule

• True

• False

Tags

NGSS.HS-PS1-3

______________ are particles created by two or more atoms combining in a covalent bond.

• Ions

• Molecules

• Crystals

• Metalloids

Tags

NGSS.HS-PS1-1

In which type of bond do atoms share electrons?

• metallic bonds

• polyatomic bonds

• ionic bonds

• covalent bonds

Which compound is formed from a covalent bond?

• quartz, SiO2

• copper sulfate, CuSO4

• salt, NaCl

• chalk, CaCO3

Tags

NGSS.MS-PS1-1

Each molecule of hydrochloric acid, HCl, contains one atom of hydrogen and

• one atom of oxygen.

• two atoms of oxygen.

• one atom of chlorine.

• two atoms of chlorine.

Tags

NGSS.MS-PS1-1

Which of the following properties can be used to distinguish between a covalent compound and an ionic compound?

• Boiling point

• State at room temperature

• Elements found in the compound

Tags

NGSS.HS-PS1-3

The chemical formula NH3 means a water molecule contains one ____________________ for every three ____________________.

Tags

NGSS.MS-PS1-1

Draw the Lewis structures for each atom, draw lines to show the electrons that are shared, and then write the bond structure and chemical formula for 1 sulfur + 2 chlorine

Answer explanation

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ca₃P₂

• Ionic compound

• Covalent compoun

Tags

NGSS.HS-PS1-3

CuCl₂

• Ionic compound

• Covalent compound

Tags

NGSS.HS-PS1-3