Counting Atoms
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Wayground Content
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10 questions
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1.
FLASHCARD QUESTION
Front
How many different elements are present in H2C2H3O2?
Back
3
2.
FLASHCARD QUESTION
Front
Which of these elements is not present in NaNO3? Options: sodium, hydrogen, oxygen, nitrogen
Back
hydrogen
3.
FLASHCARD QUESTION
Front
How many magnesium atoms are found in MgCl2?
Back
1
4.
FLASHCARD QUESTION
Front
How many aluminum atoms are found in Al2O3?
Back
2
5.
FLASHCARD QUESTION
Front
How many sulfur atoms are present in Al2(SO4)3?
Back
3
6.
FLASHCARD QUESTION
Front
A subscript will tell you the number of atoms of the element ___ it.
Back
before
7.
FLASHCARD QUESTION
Front
A subscript behind a set of parentheses belongs to
Back
all the elements within the parentheses before it
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