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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 change of a substance from one physical state to another






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






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






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






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






6. 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






7. Anything that has mass and takes up space.






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






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






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






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






12. 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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13. A measure of how hot (or cold) something is; specifically - a measure of the average kinetic energy of the particles in an object.






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






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






16. A subatomic particle that has a negative charge






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






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






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






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






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






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






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






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






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






27. The state of matter in which the volume and shape of a substance are fixed.






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






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






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






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






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






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






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






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






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






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






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






39. 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)






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






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






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






43. A subatomic particle that has a positive charge and that is located in the nucleus of an atom; the number of protons in the nucleus is the atomic number - which determines the identity of an element.






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






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






46. 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






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






48. 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.






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






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