Names and Formulas of Ionic Compounds Flashcards
1
Q
What is formula unit?
A
the simplest ratio of the ions involved
2
Q
What is the overall charge of a formula unit?
A
Zero
3
Q
What is a monoatomic ion?
A
a one atom ion
4
Q
What is the oxidation number?
A
the amount of electrons transferred from one atom to the other
5
Q
What are polyatomic ions?
A
ions made up from more than one atom
6
Q
How do you write the formula for polyatomic ions?
A
same as binary ionic comnpounds, except subscript is never changed so put parantheses for second ion
7
Q
What is an oxyanion?
A
polyatomic ion composed of an element usually a non metal, + one or more oxygen atoms
