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






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






3. 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)






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






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






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






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






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






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






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






12. 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






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






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






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






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






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






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






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






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






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






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






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






24. 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






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






26. Anything that has mass and takes up space.






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






44. 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.






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






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






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






48. 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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49. An element that is shiny and that conducts heat and electricity well.






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