Atomic Structure and the Periodic Table Crossword Puzzle

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Atomic Structure and the Periodic Table Crossword Puzzle

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QUESTIONS LIST:

  • shell: a region of an atom that contains electrons. it's also known as an energy level.
  • mass number: the total number of protons and neutrons in an atom.
  • electron: a subatomic particle with a relative charge of -1.
  • plum pudding: a theory of the atom as a ball of positive charge with electrons inside it.
  • atomic number: the number of protons in the nucleus of an atom.
  • isotope: a different atomic form of the same element, which has the same number of protons, but a different number of neutrons.
  • proton: a subatomic particle with a relative charge of 1 and a relative mass of 1.
  • nucleus: the central part of an atom, made up of protons and neutrons.
  • relative atomic mass: the average mass of one atom of an element measured relative to the mass of one atom of carbon-12.
  • ion: a charged particle formed when one or more electrons is lost or gained from an atom or molecule.
  • neutron: a subatomic particle with a relative charge of 0 and a relative mass of 1.