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






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






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






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






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






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






7. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.






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






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






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






11. A negative ion.






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






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






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






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






16. The general term for any isotope of any element






17. 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






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






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






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






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






22. Something that has magnitude - size - or amount






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






24. The arrangement of electrons in an atom






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

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






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






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






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






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






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






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






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






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






35. A horizontal row of elements in the periodic table






36. Atoms of the same element that have different masses






37. 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.






38. The state of matter in which the substance has definite volume and definite shape






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






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






41. A testable statement






42. Distance between corresponding points on adjacent waves.






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






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






45. A vertical column of the periodic table






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






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






48. A measure of the gravitational pull on matter






49. One wave per second.






50. 1/2 the distance between the nuclei of identical atoms that are bonded together.