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






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






4. The mass of one mole of a pure substance






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






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






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






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






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






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






11. 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






12. A vertical column of the periodic table






13. The measurement system accepted worldwide

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






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






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






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






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






19. A substance that reacts in a chemical change






20. The general term for any isotope of any element






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






22. A positive ion.






23. Lowest energy state of an atom.






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






25. Two quantities that have a constant mathematical product






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






27. Anything that has mass and takes up space






28. Any substance that has a definite composition






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






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






31. Mass is neither created nor destroyed duringordinary chemical or physical reactions






32. The number of protons in the nucleus of each atom of an element






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






34. The study of the composition - structure - and properties of matter and the changes it undergoes






35. Something that has magnitude - size - or amount






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






37. Having a uniform composition throughout






38. A characteristic that can be observed or measured without changing the identity of the substance






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






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






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






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






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






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






45. The amount of space occupied by an object






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






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






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






49. A substance that is formed by a chemical change






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