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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 property that does not depend on the amount of matter present






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






3. A substance that is formed by a chemical change






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






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






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






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






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






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






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






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






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






13. One wave per second.






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






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






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






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






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






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






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






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






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






23. The measurement system accepted worldwide

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






25. Distance between corresponding points on adjacent waves.






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






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






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






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






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






31. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100






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






33. A negative ion.






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






35. A measure of the gravitational pull on matter






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






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






38. Anything that has mass and takes up space






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






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






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






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






43. Lowest energy state of an atom.






44. Atoms of the same element that have different masses






45. Any substance that has a definite composition






46. The amount of space occupied by an object






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






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






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






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







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Can you answer 50 questions in 15 minutes?


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