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Pre - AP Chemistry

Subjects : pre-ap, 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 p-block elements together with the s-block elements.






2. A reaction in which one or more substances are converted into different substances






3. A testable statement






4. Number of waves that pass a given point in a specific time - usually one second.






5. State in which an atom has a higher potential energy than it has in it's ground state.






6. An element that has some characteristics of metals and some characteristics of nonmetals






7. An explanation of how phenomena occur and how data or events are related






8. A horizontal row of elements in the periodic table






9. Distance between corresponding points on adjacent waves.






10. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.






11. A characteristic that can be observed or measured without changing the identity of the substance






12. Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron - and all electrons in singly occupied orbitals must have the same spin state.

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13. The study of the composition - structure - and properties of matter and the changes it undergoes






14. Anything that has mass and takes up space






15. The electrons available to be lost - gained - or shared in the formation of chemical compounds.






16. The elements of group 17 of the periodic table.






17. The amount of space occupied by an object






18. A pure substance made of only one kind of atom






19. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)






20. A blend of two or more kinds of matter - each of which retains its own identity and properties






21. The closeness of a set of measurements of the same quantity made in the same way






22. A physical change of a substance from one state to another






23. A 3D region around the nucleus that indicates the probable location of an electron.






24. Two quantities that have a constant mathematical product






25. The closeness of measurements to the correct or accepted value of the quantity measured






26. The total amount of energy level an atom has.






27. A ratio derived from the equality between two different units that can be used to convert from one unit to the other






28. Not having a uniform composition throughout






29. An electron occupies the lowest-energy orbital that can receive it






30. A change in a substance that does not involve a change in the identity of the substance






31. The energy required to remove one electron from a neutral atom of an element.






32. A measure of the gravitational pull on matter






33. A substance that reacts in a chemical change






34. A substance that has a fixed composition and differs from a mixture in that every sample of a given pure substance has exactly the same characteristic properties and composition






35. The mass of one mole of a pure substance






36. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12






37. The elements of group 2 of the periodic table.






38. Lowest energy state of an atom.






39. The elements of group 1 of the periodic table.






40. An outer main energy level occupied - in most cases - by 8 electrons






41. Describes mathematically the wave properties of electrons and other very small particles.






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






43. An arrangement of the elements in order of their atomic numbers so that the elements with similar properties fall in the same column or group.






44. The state of matter in which the substance has a definite volume but an indefinite shape






45. A vertical column of the periodic table






46. The general term for any isotope of any element






47. The emission of a continuous range of frequencies of electromagnetic radiation.






48. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation






49. A positive ion.






50. The physical and chemical properties of the elements are periodic functions of their atomic numbers.