Question Detail

Who proposed first atomic theory ?

  • E.Rutherford
  • De Broglie
  • John Dalton
  • D.I.Mendeleef
Similar Questions :

1. Ozone is :

  • Non-magnetic
  • Paramagnetic
  • Ferromagnetic
  • Diamagnetic

2. Acids taste

  • Sour
  • Sweet
  • May be both
  • None of both

3. The isotope atoms differ in ?

  • number of neutrons
  • atomic number
  • number of electrons
  • atomic weight

4. Conduction band electrons have more mobility than holes because they are

  • experience collision more frequently
  • experience collision less frequently
  • have negative charge
  • need less energy to move them

5. What is the hardest form of carbon ?

  • coke
  • graphite
  • charcoal
  • diamond
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