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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. A testable statement






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






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






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






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






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






7. A positive ion.






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






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






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






11. A vertical column of the periodic table






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






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






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






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






16. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






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






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






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






21. If two or more different compounds arecomposed of the same two elements - then the ratio of the masses of the secondelement combined with a certain mass of the first element is always a ratio ofsmall whole numbers






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






23. 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.






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






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






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






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






28. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






30. The mass of one mole of a pure substance






31. A measure of the gravitational pull on matter






32. The arrangement of electrons in an atom






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






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






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






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






37. Any substance that has a definite composition






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






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






40. Having a uniform composition throughout






41. Combination of all the forms of electromagnetic radiation.






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






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






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






45. An electron occupies the lowest-energy orbital that can receive it






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






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






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






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






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