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5 Written questions

5 Matching questions

  1. Wavelength
  2. Atomic Number
  3. Ionization Energy
  4. Isotopes
  5. Proton
  1. a atoms of the same element with identical atomic numbers but different atomic masses due to different number of neutrons in the nucleus
  2. b in electromagnetic radiation, the distance measured from crest to crest of one complete wave or cycle
  3. c the number of protons contained in an element
  4. d a positively charged subatomic particle located in the nucleus of an atom
  5. e the energy requried to remove an electron from a gaseous atom at ground state

5 Multiple choice questions

  1. in electromagnetic radiation, the number of waves per second or cycles per second
  2. the manner in which substances change structure when rearranging during a chemical change
  3. any property of matter that doesn't change its chemical composition
  4. the number equal to the number of carbon atoms in exactly 12 of pure C
  5. the dense core of an atom that contains protons and neutrons

5 True/False questions

  1. Cationsa positively charged atom or molecule


  2. Anionsa positively charged atom or molecule


  3. Compounda positively charged atom or molecule


  4. Electron Configurationthe systematic distribution of electrons in the energy levels of an atom


  5. Neutrona negatively charged subatomic particle located outside of the nucleus of the atom