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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 amount of space occupied by an object






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






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






4. One wave per second.






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






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






7. Having a uniform composition throughout






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






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






10. A vertical column of the periodic table






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






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






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






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






16. A substance that is formed by a chemical change






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






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






19. A substance that reacts in a chemical change






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






21. 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.






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






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






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






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






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






27. A vertical column of the periodic table






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






29. No two electrons in the same atom can have the same set of four quantum numbers






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






31. Any substance that has a definite composition






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






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






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






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






36. A measure of the amount of matter






37. An atom or group of bonded atoms that has a positive or negative charge.






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






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






40. The general term for any isotope of any element






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






42. A measure of the gravitational pull on matter






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






44. Lowest energy state of an atom.






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






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






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






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






49. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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