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






2. Something that has magnitude - size - or amount






3. A vertical column of the periodic table






4. Not having a uniform composition throughout






5. A chemical compound contains the same elementsin exactly the same proportions by mass regardless of the size of the sample orthe source of the compound






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






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






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






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






10. The amount of space occupied by an object






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






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






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






14. Atoms of the same element that have different masses






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






16. The general term for any isotope of any element






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






18. A horizontal row of elements in the periodic table






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






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






21. The mass of one mole of a pure substance






22. 1/2 the distance between the nuclei of identical atoms that are bonded together.






23. The arrangement of electrons in an atom






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






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






26. Two quantities that have a constant mathematical product






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






28. 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.






29. Having a uniform composition throughout






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






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






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






33. Combination of all the forms of electromagnetic radiation.






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






35. A positive ion.






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






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






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






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






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






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






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






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






44. 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






45. A substance that is formed by a chemical change






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






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






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






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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