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






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






3. A vertical column of the periodic table






4. A measure of the gravitational pull on matter






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






6. Distance between corresponding points on adjacent waves.






7. The general term for any isotope of any element






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






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






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






11. Anything that has mass and takes up space






12. The amount of space occupied by an object






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






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






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






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






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






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






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






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






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






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






23. The measurement system accepted worldwide

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






25. Combination of all the forms of electromagnetic radiation.






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






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






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






29. The arrangement of electrons in an atom






30. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






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






33. 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






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






35. The mass of one mole of a pure substance






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






37. A horizontal row of elements in the periodic table






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






39. A testable statement






40. The state of matter in which the substance has definite volume and definite shape






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






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






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






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






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






46. If two or more different compounds arecomposed of the same two elements - then the ratio of the masses of the secondelement combined with a certain mass of the first element is always a ratio ofsmall whole numbers






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






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






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






50. Atoms of the same element that have different masses