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






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






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






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






5. Any substance that has a definite composition






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






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






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






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






10. A measure of the gravitational pull on matter






11. The amount of space occupied by an object






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






13. Two quantities that have a constant mathematical product






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






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






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






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






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






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






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






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






22. A substance that is formed by a chemical change






23. Lowest energy state of an atom.






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






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






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






27. 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






28. The mass of one mole of a pure substance






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






30. An element that is a good conductor of heat and electricity






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






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






33. Something that has magnitude - size - or amount






34. A testable statement






35. The general term for any isotope of any element






36. Distance between corresponding points on adjacent waves.






37. One wave per second.






38. A measure of the amount of matter






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






40. The measurement system accepted worldwide

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41. A vertical column of the periodic table






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






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






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






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






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






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






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






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






50. A positive ion.