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






2. A horizontal row of elements in the periodic table






3. Two quantities that have a constant mathematical product






4. 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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5. The 14 elements with the atomic numbers 90-103.






6. The ratio of mass to volume or mass divided by volume






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






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






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






10. The amount of space occupied by an object






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






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






13. The arrangement of electrons in an atom






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






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






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






17. Having a uniform composition throughout






18. 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.






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






20. Any substance that has a definite composition






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






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






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






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






25. A measure of the gravitational pull on matter






26. A positive ion.






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






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






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






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






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






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






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






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






35. 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






36. One wave per second.






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






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






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






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






41. Mass is neither created nor destroyed duringordinary chemical or physical reactions






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






43. Combination of all the forms of electromagnetic radiation.






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






45. The elements of group 1 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. The p-block elements together with the s-block elements.






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






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






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