Podcast
Questions and Answers
What is the charge of a Nitride ion?
What is the charge of a Nitride ion?
The ion for aluminum is Al3-.
The ion for aluminum is Al3-.
False
What is the formula for the sulfate ion?
What is the formula for the sulfate ion?
SO4^2-
The ion NO3- is called __________.
The ion NO3- is called __________.
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Match the following polyatomic ions with their formulas:
Match the following polyatomic ions with their formulas:
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Study Notes
Common Monoatomic Ions
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Group 1A (Alkali Metals): These ions have a +1 charge. Examples include lithium (Li+), sodium (Na+), potassium (K+), rubidium (Rb+), and cesium (Cs+).
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Group 2A (Alkaline Earth Metals): These ions have a +2 charge. Examples include beryllium (Be²⁺), magnesium (Mg²⁺), calcium (Ca²⁺), strontium (Sr²⁺), and barium (Ba²⁺).
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Group 3A: These ions have a +3 charge. Boron (B³⁺) and aluminum (Al³⁺) are examples.
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Group 5A: These ions have a -3 charge. Examples include nitrogen (N³⁻) and phosphorus (P³⁻).
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Group 6A: These ions have a -2 charge. Examples include oxygen (O²⁻) and sulfur (S²⁻).
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Group 7A (Halogens): These ions have a -1 charge. Examples include fluorine (F⁻), chlorine (Cl⁻), bromine (Br⁻), and iodine (I⁻).
Common Polyatomic Ions
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Nitrite: NO₂⁻
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Nitrate: NO₃⁻
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Sulfite: SO₃²⁻
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Sulfate: SO₄²⁻
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Ammonium: NH₄⁺
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Phosphate: PO₄³⁻
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Phosphite: PO₃³⁻
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Hydroxide: OH⁻
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Hypochlorite: ClO⁻
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Chlorite: ClO₂⁻
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Chlorate: ClO₃⁻
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Perchlorate: ClO₄⁻
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Chromate: CrO₄²⁻
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Dichromate: Cr₂O₇²⁻
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Permanganate: MnO₄⁻
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Acetate: C₂H₃O₂⁻
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Carbonate: CO₃²⁻
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Bicarbonate (Hydrogen Carbonate): HCO₃⁻
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Cyanide: CN⁻
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Description
Test your knowledge of common monoatomic and polyatomic ions with this quiz. Covering groups from alkali metals to halogens, as well as various polyatomic ions like nitrate and sulfate, this quiz will help reinforce your understanding of ionic charges and examples. Perfect for chemistry students looking to review essential concepts!
