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






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






3. Lowest energy state of an atom.






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






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






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






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






8. The amount of space occupied by an object






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






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






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






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






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






14. The arrangement of electrons in an atom






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






16. Something that has magnitude - size - or amount






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






18. A vertical column of the periodic table






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






20. 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






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






22. Distance between corresponding points on adjacent waves.






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






24. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






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






27. A testable statement






28. A measure of the amount of matter






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






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






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






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






33. The general term for any isotope of any element






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






35. A chemical compound contains the same elementsin exactly the same proportions by mass regardless of the size of the sample orthe source of the compound






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






37. Any substance that has a definite composition






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






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






40. Having a uniform composition throughout






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






42. An explanation of how phenomena occur and how data or events are related






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






44. Two quantities that have a constant mathematical product






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






46. A negative ion.






47. A substance that reacts in a chemical change






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






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






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