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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. Anything that has mass and takes up space






2. 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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3. The arrangement of electrons in an atom






4. A substance that is made from the atoms of two or more elements that are chemically bonded






5. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.






6. An element that is a good conductor of heat and electricity






7. A broad generalization that explains a body of facts or phenomena






8. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg






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






10. The d-block elements are metals with typical metallic properties.






11. The weighted average of the atomic masses of thenaturally occurring isotopes of an element






12. A property that does not depend on the amount of matter present






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






14. The general term for any isotope of any element






15. A horizontal row of elements in the periodic table






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






17. An element that is a poor conductor of heat and electricity






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






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






20. The mass of one mole of a pure substance






21. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together






22. Not having a uniform composition throughout






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






24. A negative ion.






25. Mass is neither created nor destroyed duringordinary chemical or physical reactions






26. Minimum quantity of energy that can be lost or gained by an atom.






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






28. A measure of the gravitational pull on matter






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






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






31. 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






32. The number of protons in the nucleus of each atom of an element






33. Distance between corresponding points on adjacent waves.






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






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






36. The total number of protons and neutrons in the nucleus of an isotope






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






38. The amount of space occupied by an object






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






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






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






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






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






44. Lowest energy state of an atom.






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






46. No two electrons in the same atom can have the same set of four quantum numbers






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






48. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.






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






50. Combination of all the forms of electromagnetic radiation.







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