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






2. A positive ion.






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






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






5. 1/2 the distance between the nuclei of identical atoms that are bonded together.






6. A vertical column of the periodic table






7. Distance between corresponding points on adjacent waves.






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






9. A negative ion.






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






11. Atoms of the same element that have different masses






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






13. Anything that has mass and takes up space






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






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






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






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






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






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






20. A substance that is formed by a chemical change






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






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






23. Having a uniform composition throughout






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






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






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






27. The mass of one mole of a pure substance






28. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)






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






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






31. Two quantities that have a constant mathematical product






32. One wave per second.






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






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






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






36. A measure of the gravitational pull on matter






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






38. 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.






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






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






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






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






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






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






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






46. A horizontal row of elements in the periodic table






47. The amount of space occupied by an object






48. Not having a uniform composition throughout






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






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