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4th Grade Chemistry (2)
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4th Grade Chemistry (2)
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25 Questions

1. What is tightly packed molecules?

2. Matter is anything that has ___________________

3. All matter is made up of _________ .

4. The basic unit of a chemical element.

5. Examples of mixtures are:

6. What is made up of DIFFERENT types of atoms in the nucleus?

7. What forms physical properties, more difficult to separate, and may look like one substance?

8. What are different elements combined?

9. Mass is the amount of _____________________

10. Examples of solutions are:

11. What are atoms of the same substance?

12. An electron cloud surrounds the _____________

13. What has spread out molecules?

14. Molecules are made up of

15. Atoms cannot be seen with the unaided eye. We use _________________________ to study there materials.

16. Elements are identified by ______________________

17. An atomic number is the number of

18. Mixtures and solutions both

19. What separates and substances don't dissolve?

20. An atom has a nucleus in the center that contains _____________ and _____________________

21. What can have more than one atom, but not more than one TYPE of atom?

22. The three states of matter are:

23. What is freely moving molecules?

24. A mixture is a substance made by

25. A solution is a substance that is