Test your basic knowledge |

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. A positive ion.






2. The 14 elements with the atomic numbers 58-71.






3. A horizontal row of elements in the periodic table






4. A high-temperature physical state of matter in which atoms lose their electrons






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






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






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






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






10. A change in which one or more substances are converted into different substances






11. Emission of electrons from a metal when light shines on a metal.






12. Two quantities that have a constant mathematical product






13. A measure of the amount of matter






14. Any process that results in the formation of an ion.






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






16. An atom or group of bonded atoms that has a positive or negative charge.






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






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






19. Two quantities that give a constant value when one is divided by the other






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






21. A unit that is a combination of SI base units






22. The general term for any isotope of any element






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






24. A vertical column of the periodic table






25. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)






26. Something that has magnitude - size - or amount






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






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






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






30. Which suborbital. (Py - Px - Pz)






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






32. Any substance that has a definite composition






33. Distance between corresponding points on adjacent waves.






34. The arrangement of electrons in an atom






35. The ratio of mass to volume or mass divided by volume






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






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






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






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






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






41. A testable statement






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






43. One wave per second.






44. Not having a uniform composition throughout






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






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






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






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






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






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