Chemical Formulas and Compounds CH 7 Review

Chemical Formulas and Compounds CH 7 Review

Assessment

Flashcard

Science

11th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the oxidation state of carbon in CH₄?

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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