Unit 4 Assessment Chemical Bonds

Which kind of bond is formed when two atoms share electrons to form a molecule?

• ionic

• metallic

• electrovalent

• covalent

The P - Cl bond in a molecule of PCl₃ is

• nonpolar covalent

• polar covalent

• coordinate covalent

• electrocovalent

What type of bonding is found in the molecule HBr?

• ionic

• metallic

• non polar covalent

• polar covalent

Which type of bond is predominant in a water molecule?

• coordinate covalent

• polar covalent

• ionic

• metallic

Which type of bond is present in copper wire?

• covalent

• ionic

• electrovalent

• metallic

Which pair of elements form an ionic bond with each other

• KCl

• ICl

• PCl

• HCl

Which of the following compounds has the least ionic character?

• KI

• NO

• HCl

• MgS

Which formula represents an ionic compound?

• H₂O (l)

• NaCl (s)

• NH₃ (g)

• CCl₄ (l)

Which is the formula of an ionic compound?

• SO₂

• CO₂

• CH₃OH

• NaOH

An ionic bond forms between atoms of

• I and Cl

• K and Cl

• P and Cl

• H and Cl