Analía Bellizzi – Chemistry Classes

Ronald Reagan High School

Atoms Vocabulary words IGCSE

ATOMS -Chapter 3- Vocabulary Words

Atomic structure

  1.     Atoms
  2.     Nucleus
  3.     Electrons
  4.     Element
  5.     Periodic table
  6.     Groups
  7.     Periods
  8.     Protons
  9.     Neutrons
  10.    Atomic mass unit
  11.    Electric charge
  12.    Proton number (=atomic number)
  13.    Nucleon number (=mass number)
  14.    Isotopes
  15.    Radioactive
  16.    Decays
  17.    Radiation
  18.    Radioisotopes
  19.    Half life
  20.    Geiger counter
  21.    Tracers
  22.    Radiotherapy
  23.    Carbon-dating (look on the mummy picture description)
  24.    Electron shells
  25.    Period number
  26.    Group number
  27.    Valency electrons (=outer-shell electrons, = Valence electrons)

    The history of the atomic theory (more details in the PowerPoint about atomic history

  28.    Greek meaning of the word “atom”
  29.    Alchemists and elixir of life
  30.    Robert Boyle’s discovery about gases
  31.    Robert Brown
  32.    John Dalton’s model of the atom
  33.    Cathode rays
  34.    Alpha particles
  35.    Beta particles
  36.    Gamma particles
  37.    Thompson’s model
  38.    Rutherford’s model
  39.    Bohr’s model
  40.    Quantum model