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






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






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






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






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






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






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






8. A vertical column of the periodic table






9. A vertical column of the periodic table






10. Not having a uniform composition throughout






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






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






13. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.






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






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






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






17. Combination of all the forms of electromagnetic radiation.






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






19. The mass of one mole of a pure substance






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






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






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






23. One wave per second.






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






25. Atoms of the same element that have different masses






26. Having a uniform composition throughout






27. Two quantities that have a constant mathematical product






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






29. Anything that has mass and takes up space






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






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






32. Distance between corresponding points on adjacent waves.






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






34. A testable statement






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






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






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






39. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)






40. Which suborbital. (Py - Px - Pz)






41. A substance that reacts in a chemical change






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






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






44. The measurement system accepted worldwide

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






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






47. 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






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






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






50. A horizontal row of elements in the periodic table







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Can you answer 50 questions in 15 minutes?


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