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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 elements of group 1 of the periodic table.






2. The state of matter in which a substance has neither definite volume nor definite shape






3. A vertical column of the periodic table






4. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.






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






6. The measurement system accepted worldwide

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7. A vertical column of the periodic table






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






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






10. A horizontal row of elements in the periodic table






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






12. The arrangement of electrons in an atom






13. A chemical compound contains the same elementsin exactly the same proportions by mass regardless of the size of the sample orthe source of the compound






14. A substance that is formed by a chemical change






15. Any substance that has a definite composition






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






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






18. The energy change that occurs when an electron is acquired by a neutral atom.






19. Not having a uniform composition throughout






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






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






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






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






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






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






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






27. Specify the properties of atomic orbitals and the properties of electrons in orbitals.






28. Combination of all the forms of electromagnetic radiation.






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






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






31. The 14 elements with the atomic numbers 90-103.






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






33. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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34. Which way it spins. (up or down)






35. A substance that reacts in a chemical change






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






37. A negative ion.






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






39. Distance between corresponding points on adjacent waves.






40. A positive ion.






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






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






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






44. The suborbitals of an atom. (S - P - D - F)






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






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






47. Having a uniform composition throughout






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






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






50. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number