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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. Which way it spins. (up or down)






2. 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






3. A ratio derived from the equality between two different units that can be used to convert from one unit to the other






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






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






6. The amount of space occupied by an object






7. Having a uniform composition throughout






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






9. Something that has magnitude - size - or amount






10. A substance that reacts in a chemical change






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






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






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






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






15. Anything that has mass and takes up space






16. If two or more different compounds arecomposed of the same two elements - then the ratio of the masses of the secondelement combined with a certain mass of the first element is always a ratio ofsmall whole numbers






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






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






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






20. The 14 elements with the atomic numbers 90-103.






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






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






23. A testable statement






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






25. A measure of the gravitational pull on matter






26. One wave per second.






27. Distance between corresponding points on adjacent waves.






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






29. A substance that is formed by a chemical change






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






31. A horizontal row of elements in the periodic table






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






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






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






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






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






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






38. The measurement system accepted worldwide

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






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






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






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






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






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






45. The general term for any isotope of any element






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






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






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






49. A blend of two or more kinds of matter - each of which retains its own identity and properties






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