What is the oxidation state of carbon in CH₄?
Chemical Formulas and Compounds CH 7 Review

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Science
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
-4
2.
FLASHCARD QUESTION
Front
What is the molecular formula if the empirical formula is CH₂O and the molecular molar mass is 180.18?
Back
C₆H₁₂O₆
3.
FLASHCARD QUESTION
Front
What is the oxidation number of hydrogen in NaH?
Back
-1
4.
FLASHCARD QUESTION
Front
What is the empirical formula for a compound with 88.80% copper and 11.20% oxygen?
Back
Cu₂O
5.
FLASHCARD QUESTION
Front
If the empirical formula is CF₂ and the molecular formula mass is 192, what is the molecular formula?
Back
C₄F₈
6.
FLASHCARD QUESTION
Front
Define empirical formula.
Back
The simplest whole-number ratio of atoms of each element in a compound.
7.
FLASHCARD QUESTION
Front
Define molecular formula.
Back
The actual number of atoms of each element in a molecule of a compound.
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