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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. A testable statement






2. One wave per second.






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






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






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






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






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






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






9. Distance between corresponding points on adjacent waves.






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






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






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






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






14. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated






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






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






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






18. Any substance that has a definite composition






19. A negative ion.






20. The p-block elements together with the s-block elements.






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






22. The measurement system accepted worldwide

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






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






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






26. A positive ion.






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






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






29. 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






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






31. Combination of all the forms of electromagnetic radiation.






32. Something that has magnitude - size - or amount






33. The ability of a substance to undergo a change that transforms it into a different substance






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






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






36. A vertical column of the periodic table






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






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






39. A substance that reacts in a chemical change






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






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






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






43. A property that depends on the amount of matter that is present






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






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






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






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






48. Not having a uniform composition throughout






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






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