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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 elements of group 17 of the periodic table.






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






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






4. A change in which one or more substances are converted into different substances






5. Any substance that has a definite composition






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






7. An explanation of how phenomena occur and how data or events are related






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






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






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






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






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






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






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






15. A positive ion.






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






17. The measurement system accepted worldwide

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18. Atoms of the same element that have different masses






19. A vertical column of the periodic table






20. Lowest energy state of an atom.






21. Not having a uniform composition throughout






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






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






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






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






26. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






28. The energy change that occurs when an electron is acquired by a neutral atom.






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






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






31. Something that has magnitude - size - or amount






32. A substance that is formed by a chemical change






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






34. A substance that reacts in a chemical change






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






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






37. A testable statement






38. The general term for any isotope of any element






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






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






41. Having a uniform composition throughout






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






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






44. 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.






45. A measure of the amount of matter






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






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






48. Two quantities that have a constant mathematical product






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






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