Homework Lesson 3-1
11 Questions
| Attempts: 283
Questions and Answers
- 1.
Identify the elements involved in the compound
- 2.
How many phosphorus atoms are present in one molecule of
- 3.
Pure substances contain only one type of
- A.
Atoms only.
- B.
Molecules only.
- C.
Atoms or molecules.
- D.
Mixture.
Correct Answer
C. Atoms or molecules. -
- 4.
What type of mixture produces the same properties for every sample of the mixture?
- A.
Heterogeneous
- B.
Homogeneous
- C.
Mechanical
- D.
Environmental
Correct Answer
B. Homogeneous -
- 5.
Which of the following is a heterogeneous mixture?
- A.
Pure gold
- B.
Distilled water
- C.
Helium
- D.
Milk
Correct Answer
D. Milk -
- 6.
Which of the following is not a heterogeneous mixture?
- A.
Concrete
- B.
Pizza
- C.
Sugar water
- D.
Soup
Correct Answer
C. Sugar water -
- 7.
If you can easily see the different parts that make up a mixture, you know that it is a ______ mixture.
- A.
Homogeneous
- B.
Heterogeneous
- C.
Biodegradable
- D.
Plasma
Correct Answer
B. Heterogeneous -
- 8.
What do we call a material that is composed of two or more pure substances?
- A.
A compound
- B.
An element
- C.
A mixture
- D.
A heterogeneous mixture
Correct Answer
C. A mixture -
- 9.
Identify which of the following pure substances are elements. (Check all that apply.)
- A.
Table salt
- B.
Oxygen
- C.
Water
Correct Answer
B. Oxygen -
- 10.
A pure substance composed of two or more elements chemically combined is a
- A.
Homogeneous mixture.
- B.
Compound.
- C.
Element.
- D.
Heterogeneous mixture.
Correct Answer
B. Compound. -
- 11.
The smallest piece of a compound that still has all the properties of the compound is a(n)
- A.
Atom.
- B.
Formula.
- C.
Mixture.
- D.
Molecule.
Correct Answer
D. Molecule. -
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Sep 16, 2014Quiz Edited by
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Sep 15, 2014Quiz Created by
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