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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. Anything that has mass and takes up space






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






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






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






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






6. The general term for any isotope of any element






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






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






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






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






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






12. One wave per second.






13. Having a uniform composition throughout






14. 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






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






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






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






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






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






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






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






22. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






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






25. 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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26. A testable statement






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






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






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






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






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






32. The arrangement of electrons in an atom






33. Atoms of the same element that have different masses






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






35. 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.






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






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






38. The measurement system accepted worldwide

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






40. A vertical column of the periodic table






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






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






43. No two electrons in the same atom can have the same set of four quantum numbers






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






45. Something that has magnitude - size - or amount






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






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






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






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






50. A positive ion.







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Can you answer 50 questions in 15 minutes?


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