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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 physical change of a substance from one state to another






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






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






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






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






6. A testable statement






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






8. One wave per second.






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






10. The mass of one mole of a pure substance






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






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






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






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






15. The measurement system accepted worldwide

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






17. 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.






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






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






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






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






22. Not having a uniform composition throughout






23. Distance between corresponding points on adjacent waves.






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






25. Combination of all the forms of electromagnetic radiation.






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






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






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






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






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






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






32. Two quantities that have a constant mathematical product






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






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






35. A substance that reacts in a chemical change






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






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






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






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






40. Anything that has mass and takes up space






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






42. A measure of the gravitational pull on matter






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






44. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






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






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






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






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






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