Unit 8 Covalent Bonding/Molecular Geometry Review

What type of bond occurs between a nonmetal and a nonmetal?

• ionic

• covalent

• metallic

• none of these

What is the prefix for a covalent compound that has a subscript of four?

• four

• quad

• triquad

• tetra

What type of bond involves the sharing of electrons?

• ionic

• covalent

• metallic

• none of these

Which of the following indicates the sharing of six electrons between two nonmetals?

• single bond

• double bond

• triple bond

• quadruple bond

What is the correct name for NO₃?

• trinitrogen trioxide

• nitrate

• mononitrogen trioxide

• nitrogen trioxide

• nitrogen trioxygen

Consider the following molecules, CS₂. What is the shape of the molecule?

• angular/bent

• linear

• trigonal planar

• trigonal pyramidal

Consider the following compound, PI₃. What is the correct bond angle?

• 120

• 180

• 109.5

• 107.3

Which of the following will be have a trigonal planar shape?

• water

• nitrate ion

• ammonia, NH3

• methane, CH4

Which group of elements can be stable when sharing

less than eight electrons? (select all that apply)

• boron group

• alkaline earth metals

• halogens

• chalcogens

Name the following compound: S₂O₄

• disulfur tetroxide

• disulfide oxide

• disulfide tetroxide

• sulfur oxide