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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. Anything that has mass and takes up space






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






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






4. Two quantities that have a constant mathematical product






5. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






7. A vertical column of the periodic table






8. A negative ion.






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






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






11. 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






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






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






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






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






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






17. The total amount of energy level an atom has.






18. Atoms of the same element that have different masses






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






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






21. Something that has magnitude - size - or amount






22. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






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






25. Having a uniform composition throughout






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






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






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






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






30. A horizontal row of elements in the periodic table






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






32. A measure of the amount of matter






33. Distance between corresponding points on adjacent waves.






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






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






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






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






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






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






40. One wave per second.






41. A vertical column of the periodic table






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






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






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






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






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






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






48. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)






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






50. 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