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






2. Two quantities that have a constant mathematical product






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






4. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated






5. 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






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






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






8. A vertical column of the periodic table






9. The total amount of energy level an atom has.






10. A measure of the amount of matter






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






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






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






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






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






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






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






18. A measure of the gravitational pull on matter






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






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






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






22. The arrangement of electrons in an atom






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






24. A negative ion.






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






26. Distance between corresponding points on adjacent waves.






27. The mass of one mole of a pure substance






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






29. A high-temperature physical state of matter in which atoms lose their electrons






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






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






32. 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.






33. Atoms of the same element that have different masses






34. A substance that is formed by a chemical change






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






36. If two or more different compounds arecomposed of the same two elements - then the ratio of the masses of the secondelement combined with a certain mass of the first element is always a ratio ofsmall whole numbers






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






38. Lowest energy state of an atom.






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






40. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






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






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






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






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






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






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






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






49. A testable statement






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







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Can you answer 50 questions in 15 minutes?


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