Counting Atoms

Flashcard
•
Science
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the chemical formula for three hydrogen (H), one sulfur (S), and four oxygen (O)?
Back
H₃SO₄
2.
FLASHCARD QUESTION
Front
How many atoms are there TOTAL in H₂SO₄?
Back
7
3.
FLASHCARD QUESTION
Front
What does the subscript in a chemical formula tell you?
Back
How many atoms are present
4.
FLASHCARD QUESTION
Front
What is evidence that a chemical reaction occurs when coal burns?
Back
A new substance is produced
5.
FLASHCARD QUESTION
Front
How many elements are in the chemical formula NaHCO₃?
Back
4
6.
FLASHCARD QUESTION
Front
What is a chemical formula?
Back
A representation of a substance using symbols for its constituent elements.
7.
FLASHCARD QUESTION
Front
What does the coefficient in a chemical formula indicate?
Back
The number of molecules present.
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