3.10 naming simple compounds

Question 1

binary ionic compounds (type 1)

Answer 1

1. cations are always named first
2. cations take the name of the element
3. anions take the root of the element (+) “ide” at the end.

ex.
NaCl== Na+» sodium, Cl-»Chloride==NaCl» sodium chloride

Question 2

binary ionic compounds (type 2)

Answer 2

SOME METALS CAN FORM DIFFERENT CATIONS

1. same rules as type 1
2. add roman numeral after cation name to mark change
   ex.
   FeO==O2-» oxide, Fe2-» iron(2)== FeO» iron(2) oxide.

Question 3

what are poly atomic ions?

Answer 3

compound composed of covalent bonds that collectively have a charge and act as ions

Question 4

what are oxianions?

Answer 4

polyatomic ions that contain oxygen and have a negative charge