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Introduction To Matter
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Introduction To Matter
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25 Questions

1. A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas.

2. An element that conducts heat and electricity poorly and that does not form positive ions in an electrolytic solution.

3. A measure of the size or region in three-dimensional space.

4. The mass of an atom expressed in atomic mass units

5. A from of matter that does not have a definite volume or shape

6. An atom that has the same number of protons (or the same atomic number) as other atoms of teh same element do but that has a different number of neutrons (and thus a different atomic mass)

7. A change of matter from one form to another without a change in chemical properties.

8. The ratio of the mass of a substance to the volume of the substance

9. A change that occurs when one or more substances change into entirely new substances with different properties

10. Elements that have properties of both metals and nonmetals; sometimes referred to as semiconductors.

11. The resistance of a gas or liquid to flow.

12. A region around the nucleus of an atom where electrons are likely to be found

13. The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements.

14. The state of matter that has a definite volume but not a definite shape

15. In a solution - the substance in which the solute dissolves.

16. A unit of geologic time that is longer than an epoch but shorter than an era.

17. A substance that cannot be separate or broken down into simpler substances by chemical means

18. A homogeneous mixture throughout which two or more substances are uniformly dispersed.

19. The tendency of an object to resist being moved or - if the object is moving - to resist a change in speed or direction until an outside force acts on the object

20. The change of state in which a solid becomes a liquid by adding heat or changing pressure.

21. The ability of one substance to dissolve in another at a given temperature and pressure; expressed in terms of the amount of solute that will dissolve in a given amount of solvent to produce a saturated solution.

22. The change of state from a gas to a liquid

23. A vertical column of elements in the periodic table; elements in a group share chemical properties

24. The change of a substance from a liquid to a gas

25. One of the elements of Group 18 of the periodic table (helium - neon - argon - krypton - xenon - and radon); noble gases are unreactive.