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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. An element that is a poor conductor of heat and electricity






2. A measure of the gravitational pull on matter






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






4. An outer main energy level occupied - in most cases - by 8 electrons






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






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






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






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






9. A vertical column of the periodic table






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






11. A vertical column of the periodic table






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






13. A horizontal row of elements in the periodic table






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






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






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






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






19. 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






20. Anything that has mass and takes up space






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






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






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






24. Any substance that has a definite composition






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






26. The general term for any isotope of any element






27. 1/2 the distance between the nuclei of identical atoms that are bonded together.






28. One wave per second.






29. Not having a uniform composition throughout






30. Lowest energy state of an atom.






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






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






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






34. A substance that reacts in a chemical change






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






36. The amount of space occupied by an object






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






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






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






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






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






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






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






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






45. Two quantities that have a constant mathematical product






46. Atoms of the same element that have different masses






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






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






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






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