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






2. Any substance that has a definite composition






3. A measure of the gravitational pull on matter






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






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






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






7. A substance that reacts in a chemical change






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






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






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






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






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






13. A positive ion.






14. A negative ion.






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






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






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






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






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






20. The amount of space occupied by an object






21. The measurement system accepted worldwide

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






23. 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






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






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






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






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






28. Two quantities that have a constant mathematical product






29. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.






30. A vertical column of the periodic table






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






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






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






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






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






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






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






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






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






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






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






42. 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






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






44. A horizontal row of elements in the periodic table






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






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






47. Describes mathematically the wave properties of electrons and other very small particles.






48. One wave per second.






49. Distance between corresponding points on adjacent waves.






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