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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 elements of group 1 of the periodic table.






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






3. A horizontal row of elements in the periodic table






4. The mass of one mole of a pure substance






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






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






7. 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






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






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






10. Something that has magnitude - size - or amount






11. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg






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






13. Two quantities that have a constant mathematical product






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






15. A vertical column of the periodic table






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






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






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






19. 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






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






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






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






23. Anything that has mass and takes up space






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






25. The arrangement of electrons in an atom






26. The ability of a substance to undergo a change that transforms it into a different substance






27. A measure of the amount of matter






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






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






30. A substance that is formed by a chemical change






31. The measurement system accepted worldwide

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






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






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






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






36. A substance that reacts in a chemical change






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






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






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






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






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






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






43. A positive ion.






44. A negative ion.






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






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






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






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






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






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







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Can you answer 50 questions in 15 minutes?


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