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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. Which way it spins. (up or down)






2. Distance between corresponding points on adjacent waves.






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






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






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






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






7. The general term for any isotope of any element






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






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






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






11. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.






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






13. Emission of electrons from a metal when light shines on a metal.






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






15. Having a uniform composition throughout






16. A substance that is formed by a chemical change






17. A positive ion.






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






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






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






21. The mass of one mole of a pure substance






22. One wave per second.






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






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






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






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






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






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






29. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






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






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






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






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






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






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






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






38. The amount of space occupied by an object






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






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






41. 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






42. 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.






43. 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






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






45. The measurement system accepted worldwide

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46. Atoms of the same element that have different masses






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






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






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






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







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Can you answer 50 questions in 15 minutes?


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