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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. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.






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






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






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






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






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






7. The measurement system accepted worldwide

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






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






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






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






12. The mass of one mole of a pure substance






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






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






15. 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






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






17. An arrangement of the elements in order of their atomic numbers so that the elements with similar properties fall in the same column or group.






18. A positive ion.






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






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






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






22. Something that has magnitude - size - or amount






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






24. A vertical column of the periodic table






25. One wave per second.






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






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






28. A substance that is formed by a chemical change






29. A measure of the gravitational pull on matter






30. A testable statement






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






32. Any substance that has a definite composition






33. A horizontal row of elements in the periodic table






34. Two quantities that have a constant mathematical product






35. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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36. A measure of the amount of matter






37. Distance between corresponding points on adjacent waves.






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






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






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






41. Having a uniform composition throughout






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






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






44. The general term for any isotope of any element






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






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






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






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






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






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