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






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






4. A testable statement






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






6. 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






7. A positive ion.






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






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






10. A measure of the amount of matter






11. A substance that reacts in a chemical change






12. Anything that has mass and takes up space






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






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






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






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






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






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






19. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.






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






21. Distance between corresponding points on adjacent waves.






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






23. A horizontal row of elements in the periodic table






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






25. A negative ion.






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






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






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






29. The measurement system accepted worldwide

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






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






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






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






34. 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






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






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






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






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






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






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






41. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg






42. State in which an atom has a higher potential energy than it has in it's ground state.






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






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






45. A measure of the gravitational pull on matter






46. Any substance that has a definite composition






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






48. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






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