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5 Written questions

5 Matching questions

  1. Physical Properties
  2. Electron Configuration
  3. Ionization Energy
  4. Atoms
  5. Isotopes
  1. a the smallest part of a chemical element that retains the properties of the element
  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 the systematic distribution of electrons in the energy levels of an atom
  4. d any property of matter that doesn't change its chemical composition
  5. e the energy requried to remove an electron from a gaseous atom at ground state

5 Multiple choice questions

  1. a substance that cannot be broken down into simpler substances by chemical means
  2. a negatively charged atom or molecule
  3. a class of materials that exhibit the properties of conductivity, malleability and ductility
  4. elements that do not exhibit the properties of conductivity, malleability and ductility
  5. an energy state of an electron determined by a specific arrangement based on the quantum numbers

5 True/False questions

  1. Nucleusthe dense core of an atom that contains protons and neutrons

          

  2. Compounda positively charged atom or molecule

          

  3. Frequencya substance that cannot be broken down into simpler substances by chemical means

          

  4. Atomic Massdetermined by adding the mass of the protons and neutrons of the atom

          

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