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Introduction To Matter

Subject : science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The law that states that the volume of a gas is inversely proportional to the pressure of a gas when temperature is constant

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






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






4. The amount of force exerted per unit area of a surface.






5. The conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric pressure






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






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






8. The physical forms of matter - which are solid - liquid - gas - and plasma.






9. A sample of matter - either a single element or a single compound - that has definite chemical and physical properties.






10. The number of protons in the nucleus of an atom; the atomic number is the same for all atoms of an element






11. Describes something that occurs or repeats at regular intervals.






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






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






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






15. A unit of mass that describes the mass of an atom or molecule






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






17. A property of matter that describes a substances ability to participate in chemical reactions






18. A mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in liquid - solid - or gas






19. A nerve cell that is specialized to receive and conduct electrical impulses.






20. One of the elements of group 2 of the periodic table






21. The smallest unit of an element that maintains the properties of that element






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






23. The force that acts on the surface of a liquid and that tends to minimize the area of the surface.






24. One of the elements of group 17 of the periodic table






25. One of the elements of Group 1 of the periodic table






26. A measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe.






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






28. The sum of the numbers of protons and neutrons in the nucleus of an atom.






29. The curve at a liquid's surface by which one measures the volume of the liquid.






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






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






32. 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.






33. A combination of two or more substances that are not chemically combined.






34. A substance made up of atoms of two or more different elements joined by chemical bonds






35. A characteristic of a substance that does not involve a chemical change - such as density - color - or hardness.






36. In physical science - an atom's central region - which is made up of protons and neutrons.






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






38. 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)






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






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






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






42. Anything that has mass and takes up space.






43. A subatomic particle that has a negative charge






44. The amount of a particular substance in a given quantity of a mixture - solution - or ore






45. The change of a substance from one physical state to another






46. The process in which a solid changes directly into a gas (the term is sometimes also used for the reverse process).






47. A measure of the amount of matter in an object; a fundamental property of an object that is not affected by the forces that act on the object - such as the gravitational force.






48. The law that states that the volume of a gas is directly proportional to the temperature of a gas when pressure is constant

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






50. An element that is shiny and that conducts heat and electricity well.