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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 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.






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






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






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






5. Anything that has mass and takes up space.






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






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






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






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






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






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






13. 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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14. 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






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






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






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






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






19. A subatomic particle that has a negative charge






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






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






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






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






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






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






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






27. 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.






28. 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.






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






46. 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)






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






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






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






50. 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







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