Naming with Polyatomics
Presentation
•
Chemistry
•
4th Grade
•
Practice Problem
•
Easy
Standards-aligned
Ana Rodriguez
Used 109+ times
FREE Resource
5 Slides • 7 Questions
1
Naming with Polyatomics
2
Multiple Choice
Is the NaF an ionic or a covalent bond?
3
Open Ended
Name NaF
Changes to 2nd Name:
Fluorine → Fluoride
Chlorine → Chloride
Bromine → Bromide
Iodine → Iodide
Carbon → Carbide
Nitrogen → Nitride
Oxygen → Oxide
Sulfur → Sulfide
Phosphorus → Phosphide
Hydrogen → Hydride
4
Multiple Choice
Is ClO2 ionic or covalent?
5
Open Ended
Name ClO2
1 → mono
2 → di
3 → tri
4 → tetra
5 → penta
6 → hexa
7 → hepta
8 → octa
9 → nona
10 → deca
6
7
Naming with polyatomics
Step 1 is to find the polyatomic in the compound you are naming.
8
Open Ended
What is the polyatomic in Ca3(PO4)2?
9
Open Ended
What is the polyatomic in Fe(OH)3?
10
Open Ended
What is the polyatomic in (NH4)2S
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Naming with Polyatomics
When a polyatomic is second, name the element and then name the polyatomic. DO NOT use -ide.
Example:
Ca3(PO4)2: Ca is calcium
PO4 is phosphate
Calcium Phosphate
12
Naming with Polyatomics
When a polyatomic is first in a compound, name the polyatomic and then name the element with the ending -ide.
Example: (NH4)2S
NH4 is Ammonium
S is sulfur
S is last so it becomes Sulfide
Ammonium Sulfide
Naming with Polyatomics
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