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5 Written questions

5 Matching questions

  1. Electron Configuration
  2. Wavelength
  3. Isotopes
  4. Ionization Energy
  5. Orbitals
  1. a the energy requried to remove an electron from a gaseous atom at ground state
  2. b in electromagnetic radiation, the distance measured from crest to crest of one complete wave or cycle
  3. c the systematic distribution of electrons in the energy levels of an atom
  4. d atoms of the same element with identical atomic numbers but different atomic masses due to different number of neutrons in the nucleus
  5. e an energy state of an electron determined by a specific arrangement based on the quantum numbers

5 Multiple choice questions

  1. the number equal to the number of carbon atoms in exactly 12 of pure C
  2. a neutral particle located in the nucleus with a charge of zero
  3. the dense core of an atom that contains protons and neutrons
  4. a negatively charged atom or molecule
  5. elements that do not exhibit the properties of conductivity, malleability and ductility

5 True/False questions

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

          

  2. Cationsa positively charged atom or molecule

          

  3. Atomic Numberdetermined by adding the mass of the protons and neutrons of the atom

          

  4. Atomic Massthe number of protons contained in an element

          

  5. Protona neutral particle located in the nucleus with a charge of zero

          

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