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Test your basic knowledge |

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. A vertical column of the periodic table






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






4. A vertical column of the periodic table






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






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






7. Distance between corresponding points on adjacent waves.






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






9. A measure of the amount of matter






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






11. Atoms of the same element that have different masses






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






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






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






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






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






17. A positive ion.






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






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






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






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






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






23. A measure of the gravitational pull on matter






24. The mass of one mole of a pure substance






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






26. The closeness of a set of measurements of the same quantity made in the same way






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






28. 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






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






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






31. Combination of all the forms of electromagnetic radiation.






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






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






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






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






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






37. A negative ion.






38. Lowest energy state of an atom.






39. A horizontal row of elements in the periodic table






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






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






42. A substance that is formed by a chemical change






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






44. 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






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






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






47. The measurement system accepted worldwide


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






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






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






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