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Chemistry
10th -
11thgrade
Elements, compounds, mixtures, particle diagrams
13 questions
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- 1. Multiple Choice
In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?
I
II
III
IV
- 2. Multiple Choice
Which beaker contains only one type of element?
A
B
C
D
- 3. Multiple Choice
Which beaker contains a compound?
A
B
C
D
- 4. Multiple Choice
Which beaker(s) contain a pure substance? (check all that apply)
A
B
C
D
- 5. Multiple Choice
Which is the best description of one particle of table salt (NaCl)?
mixture
compound
element
- 6. Multiple ChoiceClassify the samplePure substanceMixture
- 7. Multiple ChoiceClassify the sampleElementCompound
- 8. Multiple ChoiceClassify the samplePure SubstanceMixture of ElementsMixture of Compounds
- 9. Multiple Choice
What is a pure substance made of two or more elements that are chemically combined called?
A. element
B. compound
C. mixture
- 10. Multiple Choice
Classify the Sample.
Pure Substance
Mixture of Elements
Mixture of Compounds
Mixture of Elements and Compounds
- 11. Multiple ChoiceWhich chemical formula could be represented by this sample?NaClH2C6H12O6Cu
- 12. Multiple Choice
Classify the sample. Look carefully.
Pure Substance
Mixture of Elements
Mixture of Compounds
Mixture of Element and Compound
- 13. Multiple Choice
Which of the following formulas represents a compound?
4 He
5 O2 + 3 LiBr
2 MgO
Ag
- Answer choicesTagsAnswer choicesTags