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






3. One wave per second.






4. Distance between corresponding points on adjacent waves.






5. 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






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






7. Not having a uniform composition throughout






8. Two quantities that have a constant mathematical product






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






10. A vertical column of the periodic table






11. The measurement system accepted worldwide

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






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






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






15. Lowest energy state of an atom.






16. Any substance that has a definite composition






17. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






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






20. A substance that is formed by a chemical change






21. The arrangement of electrons in an atom






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






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






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






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






26. A vertical column of the periodic table






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






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






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






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






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






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






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






34. Specify the properties of atomic orbitals and the properties of electrons in orbitals.






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






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






37. A measure of the amount of matter






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






39. An element that has some characteristics of metals and some characteristics of nonmetals






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






41. A measure of the gravitational pull on matter






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






43. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12






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






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






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






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






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






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






50. A positive ion.