Polyatomic Ions Practice-2023
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a polyatomic ion?
Back
A polyatomic ion is a charged species composed of two or more atoms covalently bonded, which can be considered as a single unit.
2.
FLASHCARD QUESTION
Front
What is the charge of the sulfate ion (SO4)?
Back
The sulfate ion has a charge of -2.
3.
FLASHCARD QUESTION
Front
What is the formula for the nitrate ion?
Back
The formula for the nitrate ion is NO3^-.
4.
FLASHCARD QUESTION
Front
What is the charge of the hydroxide ion (OH)?
Back
The hydroxide ion has a charge of -1.
5.
FLASHCARD QUESTION
Front
What is the name of the ion with the formula CO3^2-?
Back
The ion with the formula CO3^2- is called carbonate.
6.
FLASHCARD QUESTION
Front
What is the charge of the ammonium ion (NH4)?
Back
The ammonium ion has a charge of +1.
7.
FLASHCARD QUESTION
Front
What is the formula for the phosphate ion?
Back
The formula for the phosphate ion is PO4^3-.
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