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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. Not having a uniform composition throughout






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






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






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






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






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






7. A negative ion.






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






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






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






11. The measurement system accepted worldwide

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12. Two quantities that have a constant mathematical product






13. Lowest energy state of an atom.






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






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






16. A substance that is formed by a chemical change






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






37. A measure of the amount of matter






38. A measure of the gravitational pull on matter






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






40. Combination of all the forms of electromagnetic radiation.






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






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






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






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






45. Any substance that has a definite composition






46. The amount of space occupied by an object






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






49. One wave per second.






50. The arrangement of electrons in an atom