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






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






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






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






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






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






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






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






9. 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






10. The ability of a substance to undergo a change that transforms it into a different substance






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






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






13. A vertical column of the periodic table






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






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






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






17. Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron - and all electrons in singly occupied orbitals must have the same spin state.

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






19. A measure of the amount of matter






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






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






22. Something that has magnitude - size - or amount






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






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






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






26. The amount of space occupied by an object






27. A substance that reacts in a chemical change






28. One wave per second.






29. Distance between corresponding points on adjacent waves.






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






31. The general term for any isotope of any element






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






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






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






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






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






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






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






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






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






41. The measurement system accepted worldwide

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






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






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






45. Anything that has mass and takes up space






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






47. Two quantities that have a constant mathematical product






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






49. A vertical column of the periodic table






50. The physical and chemical properties of the elements are periodic functions of their atomic numbers.