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Elements, Compounds, and Mixtures Test

Authored by Sabrina Sanderson

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8th Grade

Used 4+ times

Elements, Compounds, and Mixtures Test
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27 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Which of the following statements about elements and compounds is accurate?

A. Elements are many different types of atoms together but compounds are just one type of atom.
B. Elements are pure substances that cannot be broken down physically but compounds are pure substances that can be broken down physically.
C. Elements are not found on the Periodic Table but compounds are found on the Periodic Table.
D. Elements are pure substances that cannot be broken down chemically but compounds are pure substances that can be broken down chemically.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. Which element is found in all organic compounds?

A. Carbon (C)
B. Nitrogen (N)
C. Hydrogen (H)
D. Oxygen (O)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. The air that surrounds us is categorized as which of the following?

A. Element
B. Compound
C. Mixture
D. Organic compound

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. Which of the following could be the chemical formula for a compound?

A. Na
B. CO2
C. H2 + O2
D. Au

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. Which of the following could be the chemical formula for an element?

A. Si2
B. H2O
C. C + O2
D. C6H12O6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. Which of the following could be the chemical formula for a mixture?

A. Ne
B. CO2
C. H2
D. NaCl + H2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. How could you separate a mixture of sand and water?

A. Pick out each sand grain
B. Allow the water to evaporate
C. Drink the water
D. This mixture cannot be separated

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