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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 suborbital. (Py - Px - Pz)






2. A negative ion.






3. 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






4. Something that has magnitude - size - or amount






5. Anything that has mass and takes up space






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






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






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






9. The general term for any isotope of any element






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






11. A measure of the gravitational pull on matter






12. A vertical column of the periodic table






13. An atom or group of bonded atoms that has a positive or negative charge.






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






15. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance


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






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






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






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






20. Two quantities that have a constant mathematical product






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






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






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






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






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






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






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






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






29. A measure of the amount of matter






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






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






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






33. Combination of all the forms of electromagnetic radiation.






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






35. A vertical column of the periodic table






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






37. The amount of space occupied by an object






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






39. 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.


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






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






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






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






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






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






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






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






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






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






50. A positive ion.