NAME: ________________________

Active Chemistry Chapter 1 Vocabulary Test

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5 Written Questions

5 Matching Questions

  1. Isotopes
  2. Orbitals
  3. Frequency
  4. Atomic Number
  5. Electron
  1. a in electromagnetic radiation, the number of waves per second or cycles per second
  2. b atoms of the same element with identical atomic numbers but different atomic masses due to different number of neutrons in the nucleus
  3. c an energy state of an electron determined by a specific arrangement based on the quantum numbers
  4. d the number of protons contained in an element
  5. e a negatively charged subatomic particle located outside of the nucleus of the atom

5 Multiple Choice Questions

  1. the dense core of an atom that contains protons and neutrons
  2. in electromagnetic radiation, the distance measured from crest to crest of one complete wave or cycle
  3. any property of matter that doesn't change its chemical composition
  4. a negatively charged atom or molecule
  5. a positively charged subatomic particle located in the nucleus of an atom

5 True/False Questions

  1. Compounda substance that consists of two or more elements chemicallhy bonded together in definite proportions

          

  2. Metalsa class of materials that exhibit the properties of conductivity, malleability and ductility

          

  3. Avogadro's Numbera large number that equals the number of particles in a mole 6.022 X 10^23

          

  4. Atomsa positively charged atom or molecule

          

  5. Molea class of materials that exhibit the properties of conductivity, malleability and ductility

          

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