How many atoms of oxygen are in the compound 2Ca(OH)2?
Counting Atoms
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Science
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7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
4
2.
FLASHCARD QUESTION
Front
What is the chemical formula for hydrogen fluoride?
Back
HF
3.
FLASHCARD QUESTION
Front
How many atoms of iron are in the compound Fe2O3?
Back
2
4.
FLASHCARD QUESTION
Front
Define a molecule.
Back
Two or more atoms held together by covalent bonds.
5.
FLASHCARD QUESTION
Front
How many atoms of carbon are in the compound C3H8?
Back
3
6.
FLASHCARD QUESTION
Front
What is the chemical formula for water?
Back
H2O
7.
FLASHCARD QUESTION
Front
How many total atoms are in the compound 2NaCl?
Back
4 (2 Na + 2 Cl)
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