Questions and Answers
What is an ion consisting of a single atom?
Monoatomic ion
What is the chemical formula for Sodium Chloride?
NaCl
What do you call a negatively charged ion?
Anion
What do you call a positively charged ion?
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The definition of 'ATE' ions is that an atom is bonded to several different ______ atoms.
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What is the formula for Nitrate and its charge?
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What is the formula for Carbonate and its charge?
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What is the formula for Phosphate and its charge?
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What is the formula for Acetate and its charge?
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What is the formula for Sulfate and its charge?
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What is the formula for Chlorate and its charge?
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The 'ITE' ions are formed by removing one ______ from the 'ATE' ions and keeping the same charge.
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What is the formula for Nitrite and its charge?
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What is the formula for Chlorite and its charge?
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What is the formula for Phosphite and its charge?
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What is the formula for Sulfite and its charge?
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What is the formula for Hydroxide and its charge?
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What is the formula for Cyanide and its charge?
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What is the formula for Sodium Nitrate?
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What is the formula for Ammonium Ion and its charge?
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What is the name for NaNO3?
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What is the name for CaSO4?
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What is the name for KCH3CO2?
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Study Notes
Ionic Compounds and Polyatomic Ions
- Monoatomic Ion: An ion that consists of a single atom.
- Sodium Chloride: Commonly known as salt, has the chemical formula NaCl.
- Anion: An ion with a negative charge.
- Cation: An ion with a positive charge.
Polyatomic Ions
- "ATE" Ions: Ions where an atom is bonded to multiple oxygen atoms.
- Nitrate: Represented as NO3 with a negative 1 charge.
- Carbonate: Represented as CO3 with a negative 2 charge.
- Phosphate: Represented as PO4 with a negative 3 charge.
- Acetate: Represented as CH3CO2 with a negative 1 charge.
- Sulfate: Represented as SO4 with a negative 2 charge.
- Chlorate: Represented as ClO3 with a negative 1 charge.
"ITE" Ions
- "ITE" Ions: Derived from "ATE" ions by removing one oxygen atom while retaining the same charge.
- Nitrite: Represented as NO2 with a negative 1 charge.
- Chlorite: Represented as ClO2 with a negative 1 charge.
- Phosphite: Represented as PO3 with a negative 3 charge.
- Sulfite: Represented as SO3 with a negative 2 charge.
Additional Ions
- Hydroxide: An ion represented as OH with a negative 1 charge.
- Cyanide: Represented as CN with a negative 1 charge.
Examples of Polyatomic Compounds
- Sodium Nitrate: Has the formula NaNO3, consists of sodium bonded to a nitrate ion, has no overall charge.
- Ammonium Ion: Represented as NH4 with a positive 1 charge.
- Calcium Sulfate: Identified by the formula CaSO4, contains calcium and sulfate ions.
- Potassium Acetate: Represented as KCH3CO2, contains potassium and acetate ions.
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Test your knowledge on ionic compounds and polyatomic ions with this flashcard quiz. Each card covers essential definitions and examples, perfect for chemistry students looking to reinforce their understanding of these important concepts.
