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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 horizontal row of elements in the periodic table






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






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






4. The amount of space occupied by an object






5. A positive ion.






6. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100






7. The measurement system accepted worldwide

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






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






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






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






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






13. One wave per second.






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






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






16. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






18. 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






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






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






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






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






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






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






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






26. Having a uniform composition throughout






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






28. Distance between corresponding points on adjacent waves.






29. The arrangement of electrons in an atom






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






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






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






33. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data






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






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






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






37. Combination of all the forms of electromagnetic radiation.






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






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






40. Not having a uniform composition throughout






41. A measure of the gravitational pull on matter






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






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






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






45. Atoms of the same element that have different masses






46. 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






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






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






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






50. Anything that has mass and takes up space







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Can you answer 50 questions in 15 minutes?


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