Study

Unit 2

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  • Atoms are made of sub-atomic particles. What does the red sub-atomic particle represent?
    Proton
  • Atoms are made of sub-atomic particles. What does the black sub-atomic particle represent?
    Electron
  • Following shows the atomic number and relative atomic mass number of Krypton. What does the value '36' represent?
  • Following shows the atomic number and relative atomic mass number of Krypton. What does the value '83.80' represent?
    Relative Atomic Mass number (Molar mass)
  • Atoms are made of sub-atomic particles. What does the green sub-atomic particle represent?
    Neutron