Counting Atoms
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
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20 questions
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1.
FLASHCARD QUESTION
Front
How many Hydrogen are in 4H2O?
Back
8
2.
FLASHCARD QUESTION
Front
How many Oxygen are in H2O?
Back
1
3.
FLASHCARD QUESTION
Front
How many Magnesium are in 10MgCl2?
Back
10
4.
FLASHCARD QUESTION
Front
2H2 + O2 ----> 2H2O What is the product?
Back
2H2O
5.
FLASHCARD QUESTION
Front
2H2 + O2 --------> 2H2O What are the reactants?
Back
2H2 + O2
6.
FLASHCARD QUESTION
Front
How many O's are in Al₂(SO₄)₃? Options: 4, 12, 7, 24
Back
12
7.
FLASHCARD QUESTION
Front
Number of H in 3(NH₄)₂CrO₄
Back
24
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