U6L2 - Lecture Notes - Naming Molecules

Multiple Choice

Which is not a rule for naming binary molecular compounds?

• Identify the oxyanion present and adjust the suffix of this anion to either -ic or -ous.

• Prefixes are used to indicate the number of atoms of each element that are present in the compound.

• The second element in the formula is named using its root and adding the suffix -ide.

• The first element in the formula is always named first, using the entire element name.

Multiple Choice

Which prefix is used in the name of a covalent compound to indicate that there are three atoms of an element in the molecule?

• tri-

• hepta-

• tetra-

• di-

Multiple Select

Which are rules used to name binary molecular compounds?

Multiple select question.

• The second element in the formula is named using the entire element name.

• Prefixes are used to indicate the number of atoms of each element that are present in the compound.

• The first element in the formula is named using its root and adding the suffix -ide.

• The second element in the formula is named using its root and adding the suffix -ide.

• The first element in the formula is always named first, using the entire element name.

Multiple Choice

Which is the correct name for N₂O₄?

• nitrogen tetroxide

• dinitrogen tetroxide

• nitrogen oxide

• dinitrogen oxide

• An acid is a compound that produces hydrogen, Hydronium, or H+ ions in a solution

Multiple Select

Which are rules for naming binary acids?

• The first word has the prefix hypo- to name the hydrogen part of the compound.

• The second word is always acid.

• The second word is always hydrate.

• The first word has the prefix hydro- to name the hydrogen part of the compound.

Match

Match the following

• water

• ammonia

• hydrazine

• nitric oxide

  
  

dihydrogen monoxide

nitrogen trihydride

dinitrogen tetrahydride

nitrogen monoxide

• dihydrogen monoxide

• nitrogen trihydride

• dinitrogen tetrahydride

• nitrogen monoxide

Match

Match the number of atoms with the prefix used when naming covalent compounds.

• 1

• 5

• 7

• 9

• 10

mono-

penta-

hepta-

nona-

deca-

• mono-

• penta-

• hepta-

• nona-

• deca-