Unit 5 Bonding Quiz

Which of the following BEST describes a chemical bond?

• A physical connection holding atoms together.

• A force holding atoms together.

• Two elements combined into a single substance.

Tags

NGSS.HS-PS1-3

When does an atom become an ion?

• When it gains or loses electrons and takes on a charge.

• When it is stable because it has a full set of valence electrons.

• When it forms a compound with another atom.

• copper

• oxygen

• this isn't an ionic compound

Tags

NGSS.MS-PS1-1

• Carbon

• Oxygen

• This isn't an ionic compound

Tags

NGSS.MS-PS1-1

What combination of elements will form an ionic compound?

• Metal and metal.

• Metal and nonmetal.

• Nonmetal and nonmetal.

What charge does magnesium take on?

• +1

• +2

• +3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the correct formula for the compound formed by combining Mg+2 and Cl-1?

Tags

NGSS.MS-PS1-1

What is the correct formula for the compound formed by copper (II) and oxygen?

Tags

NGSS.MS-PS1-1

Match the following terms to their definitions.

• Anion

• An ion made of more than one element

• Cation

• A negative ion.

• Polyatomic ion

• A positive ion