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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 ratio of mass to volume or mass divided by volume






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






3. A vertical column of the periodic table






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






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






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






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






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






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






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






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






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






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






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






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






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






17. 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






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






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






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






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






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






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






24. The arrangement of electrons in an atom






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






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






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






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






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






30. Distance between corresponding points on adjacent waves.






31. A measure of the gravitational pull on matter






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






33. Lowest energy state of an atom.






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






35. The general term for any isotope of any element






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






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






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






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






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






41. Anything that has mass and takes up space






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






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






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






45. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






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






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






49. A measure of the amount of matter






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






Can you answer 50 questions in 15 minutes?



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