Name: ______Date: ______
Section 9.1 Note Sheet – Naming Ions
Naming Ions
A rose is rosa in Spanish, warda in Arabic, and julab in Hindi. To truly understand another culture, you must first learn the ______used in that culture. Similarly, to understand chemistry, you must learn its language. For this you need to know how to name ______.
Monatomic Ions
How are the charges of Group A metal and nonmetal ions related to their positions in the periodic table?
Monatomic Ions
______ions consist of a ______atom with a positive or negative charge resulting from the loss or gain of one or more ______electrons, respectively.
Monatomic Ions
Cations
When the metals in Groups ___A, ___A, and ___A lose electrons, they form ______with positive charges equal to their group number.
Monatomic Ions
The names of the cations of the Group 1A, Group 2A, and Group 3A metals are the same as the name of the metal, followed by the word ______or ______.
Monatomic Ions
These ______have ionic charges that can be obtained from their ______numbers.
Monatomic Ions
Anions
The charge of any ion of a Group A ______is determined by subtracting ______from the ______number.
Anion names start with the stem of the element name and end in ______.
Monatomic Ions
These Group A elements form anions.
Monatomic Ions
Ions of Transition Metals
How are the charges of some transition metal ions determined?
Monatomic Ions
The charges of the ______of many transition metal ions must be determined from the number of electrons ______.
Monatomic Ions
These colorful solutions contain the ______metal ions Co3+, Cr3+, Fe3+, Ni2+, and Mn2+.
Monatomic Ions
Many transition ______compounds are colored and can be used as ______.
Monatomic Ions
Two methods are used to name the ______of ______metals.
•The ______system
•The ______method
Monatomic Ions
In the Stock system, a ______numeral in parentheses is placed after the name of the element to indicate the numerical value of the ______.
Monatomic Ions
In an ______less, useful method, the classical name of the element is used to form the ______name for the element.
Polyatomic Ions
What are the two endings of the names of most polyatomic ions?
Polyatomic Ions
These models show the structures of ______common polyatomic ions.
Polyatomic Ions
Some ions, called ______ions, are composed of more than one atom.
The names of most polyatomic anions end in ______or ______.
Polyatomic Ions
Sodium hydrogen ______can relieve an upset stomach.
Polyatomic Ions
HCO3–, HPO42–, and H2PO4– ions in your ______are critical for your health.
Polyatomic Ions
______contain HPO42– and H2PO4– ions.
Naming Ionic Compounds
1. Name the positive ion.
2. Name the negative ion (Don't forget to change the ending to -ide!!)
Examples:
1. NaCl - ______
2. MgBr2 - ______
3. Al2O3 - ______
Writing Formulas for Ionic Compounds
1. Determine the charges on the two ions.
2. Cross the number (WITHOUT the "+ " or "-").
3. Write the formula.
Examples:
1. calcium fluoride -______
2. potassium phosphide - ______
3. Aluminum sulfide- ______
Practice
Give names for:
- RbCl - ______
- Sr3N2 - ______
- Li2S - ______
- AlBr3 - ______
Give Formulas for:
- Calcium oxide -______
- Gallium nitride - ______
- Barium phosphide - ______
- Cesium selenide - ______