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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 positive ion.






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






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






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






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






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






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






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






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






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






11. Something that has magnitude - size - or amount






12. A measure of the amount of matter






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






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






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






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






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






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






19. A horizontal row of elements in the periodic table






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






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






22. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






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






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






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






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






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






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






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






31. A measure of the gravitational pull on matter






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






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






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






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






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






37. Not having a uniform composition throughout






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






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






40. The amount of space occupied by an object






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






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






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






44. The d-block elements are metals with typical metallic properties.






45. Combination of all the forms of electromagnetic radiation.






46. One wave per second.






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






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






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






50. Distance between corresponding points on adjacent waves.