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Assessment: Chemical Formulas (V2)

Last updated almost 5 years ago
20 questions

Assessment: Chemical Formulas (V2)

Use your Notes Packet #5 and your Reference Table to help you answer the following questions. You may want to use a piece of scrap paper while you work!
1

How many oxygen (O) atoms are contained in Mn(PO4)3? *Please record your answer in number form (1,2,3... etc.)

1

How many sulfur atoms (S) are contained in 3 Al2(SO4)3? *Please record your answer in number form (1,2,3... etc.)

1

How many oxygen atoms (O) are in the EMPIRICAL FORMULA for C5H15O10? *Please record your answer in number form (1,2,3... etc.)

1

How many hydrogen atoms (H) are in the EMPIRICAL FORMULA for CH3CH2CH2CH2CH2COOH? *Please record your answer in number form (1,2,3... etc.)

1

What is the oxidation number of copper (Cu) in CuBr?

1

What is the oxidation number of Titanium (Ti) in the formula TiF2?

1

What is the oxidation number of manganese (Mn) in the formula KMnO4?

1

What is the oxidation number of iron (Fe) in the formula Fe3(PO4)2?

1

What is the oxidation number of chromium (Cr) in the formula CrO4-2?

1

An ionic bond is formed between:

For the naming and formula writing portion of this assessment you will use the FICTICIOUS metal elements shown below along with the real nonmetal elements and polyatomic ions (Table E) in your reference table.

*When asked, all compounds should be named according to the naming system I taught in class. Responses that include names from any other system will be marked incorrect.*
1

Name DuF.

1

Name ChBr3.

1

Name ShSO4.

1

Name Kl(NO3)2

1

Name Du2Cr2O7.

1

Write the chemical formula for shenium chloride below. *If necessary, simplify your formula to the lowest possible subscripts.*

1

Write the chemical formula for chemium (II) oxide. *If necessary, simplify your formula to the lowest possible subscripts.*

1

Write the chemical formula for duncium hydroxide. *If necessary, simplify your formula to the lowest possible subscripts.*

1

Write the chemical formula for klausium (II) nitrate. *If necessary, simplify your formula to the lowest possible subscripts.*

1

SKIP- EVERYONE GETS CREDIT FOR THIS QUESTION. Write the chemical formula for shenium (IV) carbonate. *If necessary, simplify your formula to the lowest possible subscripts.*