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






2. An outer main energy level occupied - in most cases - by 8 electrons






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






4. Any substance that has a definite composition






5. An element that has some characteristics of metals and some characteristics of nonmetals






6. Something that has magnitude - size - or amount






7. A vertical column of the periodic table






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






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






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






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






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






13. A negative ion.






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






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






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






17. A substance that reacts in a chemical change






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






19. Lowest energy state of an atom.






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






21. A measure of the gravitational pull on matter






22. Atoms of the same element that have different masses






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






24. The mass of one mole of a pure substance






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






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






27. One wave per second.






28. A positive ion.






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






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






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






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






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






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






35. A measure of the amount of matter






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






37. The arrangement of electrons in an atom






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






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






40. 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






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






43. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






45. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation






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






47. Anything that has mass and takes up space






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






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






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







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Can you answer 50 questions in 15 minutes?


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