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






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






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






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






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






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






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






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






9. 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.






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






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






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






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






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






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






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






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






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






21. Anything that has mass and takes up space.






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






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






24. 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






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






26. 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.






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






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






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






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






31. A subatomic particle that has a negative charge






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






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






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






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






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






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






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






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






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






43. 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.






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






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






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






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






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






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






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