Elements, Compounds, Mixtures

1. An Element is a simple pure substance. It __________ be separated?

Can

Can not

2. Are compounds chemically combined?

Yes

No

3. A _______________ is two or more different elements that are chemically combined.

Element

Compound

Mixture

4. Carbon Dioxide (CO2) is made of elements.

True

False

CO2 is made from carbon and oxygen, both which are elements

Explanation

CO2 is made from carbon and oxygen, both which are elements

5. A mixture is two or more substances. It __________ be separated?

Can

Can not

6. A _ ____ is made of only one type of particle.

Pure substance

Compound

Solution

Homogeneous mixture

7. Sodium (Na) is considered an

Element

Homogeneous mixture

Compound

Heterogeneous mixture

sodium is found on the Periodic Table of Elements.

Explanation

sodium is found on the Periodic Table of Elements.

Submit

9. An element can be broken down by physical or chemical means.

True

False

10. Are mixtures chemically combined?

Yes

No

11. A person may put the following compound on his or her french fries:

NaCl

Sn

HCl

K

12. The substance that does the dissolving (the tea), is called a

Solute

Solvent

Solution

13. Elements, compounds and mixtures are pure substances.

True

False

14. Sweetened tea is considered a

Element

Homogeneous mixture (solution)

Compound

Heterogeneous mixture

Sweetened tea is considered a homogeneous mixture (solution). In sweetened tea, the sugar dissolves uniformly in the liquid, resulting in a homogeneous mixture where the components are evenly distributed at the molecular level.

Explanation

Sweetened tea is considered a homogeneous mixture (solution). In sweetened tea, the sugar dissolves uniformly in the liquid, resulting in a homogeneous mixture where the components are evenly distributed at the molecular level.

15. If a solute is unable to be dissolved in a given solvent, the solute is said to be:

Indissolveable

Soluble

Insoluble

16. A compound __________ be separated by physical change?

Can

Can not

17. One example of changing a substance chemically is:

Filtering it

Burning it

Boiling it

18. What kind of reaction is it when ice melts?

Endothermic

Exothermic

19. An alloy is:

A compound

A solution metals

A solution of gases

Element

alloy is a mixture of metals mixed evenly. Another name for solution is homogeneous mixture.

Explanation

alloy is a mixture of metals mixed evenly. Another name for solution is homogeneous mixture.

20. If a drink container tells you to "SHAKE WELL" before drinking, the mixture in the container is most likely a:

Homogeneous mixture (Solution)

Heterogeneous mixture

Compound

Element

21. Sugar water is an example of a heterogeneous mixture.

True

False

Submit

24. Click ALL the ways to speed up dissolving:

Stirring

Boiling

Freezing

Heating

Filtering

Crushing

Burning

Nothing

Submit

Elements, Compounds, Mixtures

1. An Element is a simple pure substance. It __________ be separated?

2.

What first name or nickname would you like us to use?

2. Are compounds chemically combined?

3. A _______________ is two or more different elements that are chemically combined.

4. Carbon Dioxide (CO2) is made of elements.

5. A mixture is two or more substances. It __________ be separated?

6. A _ ____ is made of only one type of particle.

7. Sodium (Na) is considered an

8. What is the universal solvent?

9. An element can be broken down by physical or chemical means.

10. Are mixtures chemically combined?

11. A person may put the following compound on his or her french fries:

12. The substance that does the dissolving (the tea), is called a

13. Elements, compounds and mixtures are pure substances.

14. Sweetened tea is considered a

15. If a solute is unable to be dissolved in a given solvent, the solute is said to be:

16. A compound __________ be separated by physical change?

17. One example of changing a substance chemically is:

18. What kind of reaction is it when ice melts?

19. An alloy is:

20. If a drink container tells you to "SHAKE WELL" before drinking, the mixture in the container is most likely a:

21. Sugar water is an example of a heterogeneous mixture.

22. Trail mix is what kind of mixture?

23. Milk from the farm and smog represent what type of mixture?

24. Click ALL the ways to speed up dissolving:

Elements, Compounds, Mixtures

1. An Element is a simple pure substance. It __________ be separated?

2.

What first name or nickname would you like us to use?

2. Are compounds chemically combined?

3. A _______________ is two or more different elements that are chemically combined.

4. Carbon Dioxide (CO2) is made of elements.

5. A mixture is two or more substances. It __________ be separated?

6. A _________ ____________ is made of only one type of particle.

7. Sodium (Na) is considered an

8. What is the universal solvent?

9. An element can be broken down by physical or chemical means.

10. Are mixtures chemically combined?

11. A person may put the following compound on his or her french fries:

12. The substance that does the dissolving (the tea), is called a

13. Elements, compounds and mixtures are pure substances.

14. Sweetened tea is considered a

15. If a solute is unable to be dissolved in a given solvent, the solute is said to be:

16. A compound __________ be separated by physical change?

17. One example of changing a substance chemically is:

18. What kind of reaction is it when ice melts?

19. An alloy is:

20. If a drink container tells you to "SHAKE WELL" before drinking, the mixture in the container is most likely a:

21. Sugar water is an example of a heterogeneous mixture.

22. Trail mix is what kind of mixture?

23. Milk from the farm and smog represent what type of mixture?

24. Click ALL the ways to speed up dissolving:

6. A _ ____ is made of only one type of particle.