Hey i need with this element, compound, and mixtures worksheet

Elements consist of only one type of atom while compounds consists of one or more elements that are chemically joined together. Mixtures substances that are not chemically combined together.

Substances are classified into;

Elements and compounds are pure substances. Elements contain only kind of atom while a compound contains a combination of atoms that are chemically joined together.

The compounds shown in the image can be classified as follows;

1) compound

2) mixture of elements

3) mixture of compounds

4) mixture of compounds

5) element

6) compound

7) compound

8) mixture of elements and compounds

9) mixture of elements and compounds

10) mixture of compounds

11) compounds

12) mixture of compounds

13) mixture of compounds

14) mixture of compounds

15) mixture of compounds

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We should describe a little bit the legend.

A - Element - we should have circles with same color and not bonded together (argon gas).

B - Compound - here we may have circles with same or different color bonded together (water or oxygen which is a diatomic molecule).

C - Mixture of elements - circles with different colors not not bonded together (mixture of noble gases).

D - Mixture of compounds - circles with same or different color bonded together but we should see two or more types of connectivity between circles (mixture of water and ethanol).

E - Mixture of elements and compounds - circles with same or different color bonded together mixed with circles with same color and not bonded together (a mixture between oxygen which is a diatomic molecule and noble gas like argon).

Now we may answer the question:

1) B

2) C

3) D

4) D

5) A

6) B

7) B

8) E

9) E

10) D

11) B

12) D

13) D

14) D

15) D

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