Ionic vs. Covalent Review

How many electrons does a nitrogen atom need to gain to have 8 valence electrons?

• 1

• 2

• 3

• 4

Check the two types of elements that form an ionic bond.

• metalloids

• metals

• noble gases

• nonmetals

When naming covalent bonds, what is used to show the number of atoms of each element?

• roman numerals

• prefixes

• superscripts

• element symbols

What type of shape would the molecule CH₄ form?

• bent

• trigonal planar

• trigonal pyramidal

• tetrahedral

• linear

What type of shape would the molecule NH₃ form?

• bent

• trigonal planar

• trigonal pyramidal

• tetrahedral

• linear

What forms an ionic bond?

• 2 atoms sharing electrons

• The flow of valence electrons in between a sea of metal atoms

• the force in between molecules

• one atom transferring electrons to another and being held together by the electrostatic force between them.

What forms a covalent bond?

• 2 atoms sharing electrons

• The flow of valence electrons in between a sea of metal atoms

• the force in between molecules

• one atom transferring electrons to another and being held together by the electrostatic force between them.

Out of the elements below, which one is a nonmetal?

• Mg

• Ca

• S

• Zn

What type of force acts in between molecules and holds them together in the solid or liquid state?

• covalent bond

• ionic bond

• intermolecular force

• intramolecular force

What type of force occurs between hydrogen of one molecule and an O, N, or F of another molecule?

• dispersion force

• dipole-dipole

• hydrogen bond