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






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






3. Two quantities that have a constant mathematical product






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






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






6. A substance that is formed by a chemical change






7. 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






8. Something that has magnitude - size - or amount






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






10. A vertical column of the periodic table






11. The arrangement of electrons in an atom






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






13. A substance that reacts in a chemical change






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






15. Distance between corresponding points on adjacent waves.






16. Anything that has mass and takes up space






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






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






19. 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.






20. Lowest energy state of an atom.






21. A horizontal row of elements in the periodic table






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






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






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






25. Having a uniform composition throughout






26. A measure of the gravitational pull on matter






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






28. Combination of all the forms of electromagnetic radiation.






29. Atoms of the same element that have different masses






30. One wave per second.






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






32. The general term for any isotope of any element






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






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






35. The suborbitals of an atom. (S - P - D - F)






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






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






38. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






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






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






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






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






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






45. The mass of one mole of a pure substance






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






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






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






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






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