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






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






3. The arrangement of electrons in an atom






4. A measure of the gravitational pull on matter






5. Lowest energy state of an atom.






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






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






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






9. The general term for any isotope of any element






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






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






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






13. The closeness of a set of measurements of the same quantity made in the same way






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






15. A substance that is formed by a chemical change






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






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






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






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






20. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






22. A positive ion.






23. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number






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






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






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






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






29. Two quantities that have a constant mathematical product






30. Atoms of the same element that have different masses






31. The mass of one mole of a pure substance






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






33. One wave per second.






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






35. A measure of the amount of matter






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






37. The amount of space occupied by an object






38. Something that has magnitude - size - or amount






39. State in which an atom has a higher potential energy than it has in it's ground state.






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






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






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






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






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






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






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






47. 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.






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






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






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







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