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






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






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






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






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






6. 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.






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






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






9. The measurement system accepted worldwide

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10. Combination of all the forms of electromagnetic radiation.






11. A pure substance made of only one kind of atom






12. The arrangement of electrons in an atom






13. A measure of the gravitational pull on matter






14. Any substance that has a definite composition






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






16. 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






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






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






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






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






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






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






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






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






25. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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26. Two quantities that have a constant mathematical product






27. Atoms of the same element that have different masses






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






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






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






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






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






33. The general term for any isotope of any element






34. 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






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






36. The weighted average of the atomic masses of thenaturally occurring isotopes of an element






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






38. One wave per second.






39. Having a uniform composition throughout






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






41. Something that has magnitude - size - or amount






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






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






45. A horizontal row of elements in the periodic table






46. A vertical column of the periodic table






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






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






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






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