Grade 12 Polyatomic Ions Worksheet
This worksheet covers the naming, formulas, and properties of common polyatomic ions for Grade 12 Chemistry students.
Includes
Standards
Topics
Grade 12 Polyatomic Ions Worksheet
Name:
Date:
Score:
Read each question carefully and provide the best answer. Show all work for calculations where applicable.
1. Which of the following polyatomic ions has a -2 charge?
Nitrate (NO₃⁻)
Sulfate (SO₄²⁻)
Ammonium (NH₄⁺)
Hydroxide (OH⁻)
2. What is the correct formula for the phosphate ion?
PO₃³⁻
PO₄³⁻
HPO₄²⁻
P₂O₇⁴⁻
3. A polyatomic ion is a group of atoms covalently bonded together that possesses an overall charge.
4. The prefix 'per-' in a polyatomic ion name, such as perchlorate, indicates oxygen atoms than the '-ate' form.
Match the polyatomic ion with its correct name.
5. HCO₃⁻
a. Dichromate
6. Cr₂O₇²⁻
b. Bicarbonate
7. CN⁻
c. Cyanide
8. MnO₄⁻
d. Permanganate
9. Explain the naming convention for oxyanions (polyatomic ions containing oxygen) when there are more than two forms (e.g., sulfite vs. sulfate).
10. All polyatomic ions have a negative charge.
True
False
Related Worksheets
Grade 12 Burette Reading Worksheet
A worksheet for Grade 12 Chemistry students to practice reading and understanding burette measurements.
Balancing Nuclear Reactions Worksheet
Grade 12 Science worksheet focused on balancing nuclear equations, identifying types of decay, and understanding nuclear stability.
Hydrocarbons Worksheet
Grade 12 Chemistry worksheet covering the nomenclature, structure, properties, and reactions of various hydrocarbon classes.
Grade 12 Molecular Structure Worksheet
A Grade 12 Chemistry worksheet focusing on molecular structure, VSEPR theory, hybridization, and intermolecular forces.
Percent Abundance of Isotopes Worksheet
Grade 12 Chemistry worksheet on understanding and calculating percent abundance of isotopes, average atomic mass, and mass spectrometry.
Acid-Base Nomenclature Worksheet
A Grade 12 Chemistry worksheet covering the nomenclature of acids and bases, including common naming conventions and formulas.
Ionic Bonds Worksheet
A Grade 12 Chemistry worksheet exploring the principles of ionic bonding, including formation, properties, and examples.
Ionic Bonds Worksheet
A Grade 12 Chemistry worksheet exploring the principles of ionic bonding, including formation, properties, and examples.