Naming Compounds and Writing Formulas

Question 1

Binary Molecular Compounds

Answer 1

1) First word - name of element
2) Second Word - second element with -ide suffix
3) Numerical prefixes (disregard mono for first element)

Question 1

Binary Ionic Compounds (Main Group)

Answer 1

1) First word is name of cation (same as parent element)
2) Second word is anion with -ide suffix

Question 2

Binary Ionic Compounds (Transition Metals)

Answer 2

1) Metal: -ous for lower charge
-ic for higher charge
roman numerals
2) If following compound, add -ide suffix

Question 3

Polyatomic Ions

Answer 3

-ate = more oxygen
-ite = less oxygen
per- = most oxygen
hypo- = least oxygen

Question 4

Binary Acids

Answer 4

1) add hydro- prefix to the second element in the formula
2) Replace the last syllable in 2nd element with -ic suffix and “acid”

Question 5

Oxoacids

Answer 5

-ate –> -ic
-ite –> -ous
(I took a bite and it was delicious, but I ate too much and I got sick)