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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 horizontal row of elements in the periodic table






2. A negative ion.






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






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






5. Having a uniform composition throughout






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






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






8. A measure of the gravitational pull on matter






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






10. One wave per second.






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






12. Anything that has mass and takes up space






13. The mass of one mole of a pure substance






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






15. 1/2 the distance between the nuclei of identical atoms that are bonded together.






16. 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






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






18. 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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19. An element that is a poor conductor of heat and electricity






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






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






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






23. A vertical column of the periodic table






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






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






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






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






28. Atoms of the same element that have different masses






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






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






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






32. The amount of space occupied by an object






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






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






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






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






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






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






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






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






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






42. The measurement system accepted worldwide

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






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






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






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






47. A testable statement






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






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






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