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






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






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






4. A measure of the amount of matter






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






6. A vertical column of the periodic table






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






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






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






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






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






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






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






14. Not having a uniform composition throughout






15. Atoms of the same element that have different masses






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






17. A broad generalization that explains a body of facts or phenomena






18. A substance that is formed by a chemical change






19. Anything that has mass and takes up space






20. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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






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






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






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






25. 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.






26. The measurement system accepted worldwide

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






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






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






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






31. A horizontal row of elements in the periodic table






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






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






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






35. 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






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






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






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






39. 1/2 the distance between the nuclei of identical atoms that are bonded together.






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






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






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






43. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.






44. Lowest energy state of an atom.






45. The amount of space occupied by an object






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






47. A measure of the gravitational pull on matter






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






49. Distance between corresponding points on adjacent waves.






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