Polyatomic Ions
Presentation
•
Science
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9th - 12th Grade
•
Practice Problem
•
Easy
Standards-aligned
Courtney Johnson
Used 1+ times
FREE Resource
9 Slides • 8 Questions
1
2
3
Multiple Choice
Which statement best describes a polyatomic ion?
A single atom with a charge
A bundle of atoms acting as a single unit and carrying a charge
A neutral molecule
A group of atoms with no charge
4
5
Fill in the Blanks
The chemical formula for sodium hydroxide is
Type answer...
6
Multiple Choice
What is a ternary compound?
A compound with two types of atoms
A compound with three or more types of atoms
A compound with only metals
A compound with only nonmetals
7
8
9
Multiple Choice
Which of the following is a reason to use parentheses when writing chemical formulas for polyatomic ions?
To separate different compounds
To indicate the charge of the ion
To hold the bundle together and avoid confusion with double digits
To show the number of electrons
10
11
Multiple Select
Select all statements that are true about the compound Ca(MnO4)2.
It contains 1 calcium atom.
It contains 2 permanganate ions.
It contains 4 oxygen atoms.
It contains 2 manganese atoms.
12
13
14
Fill in the Blanks
Criss cross to bond the following ions: Ca + OH⁻. What is the resulting chemical formula?
Type answer...
15
16
Fill in the Blanks
A polyatomic ion is a bundle of atoms that acts as a single unit and carries a
Type answer...
17
Multiple Choice
Which of the following is the correct formula for the compound formed by criss-crossing the charges of ammonium and nitrate ions?
NH4NO3
NH4Cl
NH4SO4
NH4CO3
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