Ionic Compounds II
A polyatomic ion is a group of covalently bonded atoms that together have a charge. (The prefix polymeans many.) Since there is an ionic bond between the ions, the rules of ionic compounds from the first
Lewis Structures Worksheet #2
j. Draw all three resonance structures for CO32-
l. Draw both resonance structures of ozone (O3)
* Recall that Lewis structures of po
Ionic Compounds III
The stock system: Note that some books now use the Roman numerals for nonmetals also, such as
phosphorus (III) chloride for PCl3.
Key (Multivalent Cations)
Review of Molar Conversions (SHOW ALL WORK)
1. How many moles of magnesium is 3.01 x 10 22 atoms of magnesium?
2. How many molecules are there in 4.00 moles of glucose, C 6H12O6?
3. How many moles are 1.20 x 1025 atoms of phosphorous?