Ions
Ion charges and names
Naming Rules
Ionic Compounds
Polyatomic Ions
100
What does a chemical formula show?
Reactants and Products
100
The formula for Lead (II) sulfite
What is PbSO3
100

Where do we add "ide" when naming ionic compounds?

non-metal ions

100

What is the formula for Potassium Chloride

KCl

100

What is the name of the following formula:  NH4Cl

Ammonium chloride

200
What is shown by using the subscript?
the number of each element or atom
200
The name(s) of the compound, CuMnO4
What is Copper (I) permanganate
200
What are two types of ions with negative charges?
Non-metal and polyatomic ions
200

What is the formula for Magnesium Oxide?

MgO


200

The name of the compound, Pb(HCO3)2

Lead (II) Bicarbonate

300
Name CO3-2 and OH -1.
What is the carbonate ion and the hydroxide ion
300
Formula for Silver Sulfide
What is Ag2S?
300
How do we name metals with more than one positive ion?
-The ion charge of the metal must be in its name -the ion charge is written as a Roman numeral in brackets following the metal name, with no space in between
300

What is the formula for Barium Chloride?

BaCl2

300

The formula of the compound, Ammonium Permanganate

NH4MnO4

400
What is a polyatomic ion?
What is a charged chemical species (ion) composed of two or more atoms?
400
The _________ is always written first in an ionic compound formula.
What is cation?
400
What is the name for CrP?
Chromium(III) Phosphide
400

What is the formula for Potassium Sulfide?

K2S?

400

The formula of the compound, Zinc Thiocyanate

Zn(SCN)2

500
What are two characteristics of ammonium?
A positive polyatomic ion with a charge 1+ it is a cation one of the few positive polyatomic ions
500
When will we use the Roman numerals?
What are Roman numerals are used in the name to indicate the different ion charges of the same elements. The element must form more than one ion in order to use them.
500
How do name polyatomic ions?
For positive polyatomic ions, they are written first, like metals. For negative polyatomic ions, they are written second and their names do not change.
500

What is the formula for Calcium Chromate?

CaCrO4

500

Name the following: (NH4)2Cr2O4

Ammonium Oxalate

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