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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 vertical column of the periodic table






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






3. The amount of space occupied by an object






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






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






6. Not having a uniform composition throughout






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






8. The state of matter in which the substance has definite volume and definite shape






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






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






11. 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






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






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






14. Atoms of the same element that have different masses






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






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






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






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






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






21. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated






22. Two quantities that have a constant mathematical product






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






24. Having a uniform composition throughout






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






26. A measure of the gravitational pull on matter






27. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






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






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






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






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






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






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






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






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






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






38. 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






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






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






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






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






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






44. A horizontal row of elements in the periodic table






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






46. A substance that is formed by a chemical change






47. Lowest energy state of an atom.






48. Distance between corresponding points on adjacent waves.






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






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







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Can you answer 50 questions in 15 minutes?


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