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Polyatomic Ions review game

Authored by Teresa W Ware

Chemistry

9th - 12th Grade

NGSS covered

Used 541+ times

Polyatomic Ions review game
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About

This quiz focuses on polyatomic ions, a fundamental topic in chemistry that represents clusters of atoms bonded together with an overall electric charge. Appropriate for grades 9-12, this assessment tests students' memorization and recognition of common polyatomic ions, including their names, chemical formulas, and charges. Students must demonstrate mastery of essential polyatomic ions such as ammonium (NH₄⁺), nitrate (NO₃⁻), sulfate (SO₄²⁻), carbonate (CO₃²⁻), phosphate (PO₄³⁻), and hydroxide (OH⁻), along with less common but important ions like dichromate, chromate, and acetate. The questions require students to make bidirectional connections between ion names and their corresponding chemical formulas, a critical skill for writing chemical equations, predicting compound formation, and understanding ionic bonding. Success on this quiz depends on systematic memorization strategies and pattern recognition, particularly understanding how prefixes and suffixes in ion names relate to the number of oxygen atoms and overall charge. Created by Teresa W Ware, a Chemistry teacher in US who teaches grade 9-12. This quiz serves as an excellent review tool for reinforcing polyatomic ion recognition before unit tests or standardized assessments. Teachers can deploy this as a warm-up activity to activate prior knowledge, assign it as homework for independent practice, or use it during class as a formative assessment to gauge student readiness for more complex topics like ionic compound nomenclature and chemical equation balancing. The quiz format makes it ideal for competitive review games or partner practice sessions where students can challenge each other's recall speed and accuracy. This assessment directly supports NGSS HS-PS1-1 (developing models to illustrate atomic composition) and aligns with Common Core mathematical practices in pattern recognition and systematic reasoning that students apply when learning chemical nomenclature rules.

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Ammonium

NH4+
NO3-
NO2-
MnO4-

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Carbonate

Cr2O4-2
CH3COO-
CO3-2
CN-

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Chromate

CH3COO-
CrO4-2
CO3-2
Cr2O4-2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cyanide

CrO4-2
Cr2O4-2
CO3-2
CN-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Hydroxide

Cr2O4-2
Cr2O4-2
O3-2
OH-

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nitrate

NO2-
NO3-
MnO4-
NH4+

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nitrite

NO2-
NO3-
MnO4-
NH4+

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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