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5 Written questions

5 Matching questions

  1. Wavelength
  2. Proton
  3. Electron
  4. Anions
  5. Cations
  1. a a negatively charged subatomic particle located outside of the nucleus of the atom
  2. b a negatively charged atom or molecule
  3. c in electromagnetic radiation, the distance measured from crest to crest of one complete wave or cycle
  4. d a positively charged subatomic particle located in the nucleus of an atom
  5. e a positively charged atom or molecule

5 Multiple choice questions

  1. determined by adding the mass of the protons and neutrons of the atom
  2. atoms of the same element with identical atomic numbers but different atomic masses due to different number of neutrons in the nucleus
  3. the energy requried to remove an electron from a gaseous atom at ground state
  4. any property of matter that doesn't change its chemical composition
  5. an energy state of an electron determined by a specific arrangement based on the quantum numbers

5 True/False questions

  1. Chemical Propertiesthe manner in which substances change structure when rearranging during a chemical change

          

  2. Nucleusthe number equal to the number of carbon atoms in exactly 12 of pure C

          

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

          

  4. Frequencyin electromagnetic radiation, the number of waves per second or cycles per second

          

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