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Who is regarded as father of modern chemistry ?

  • Ruterford
  • Einstein
  • Lavoisier
  • C.V. Raman
Similar Questions :

1. The material which can be deformed permanently by heat and pressure is called a

  • thermoset
  • thermoplastic
  • chemical compound
  • polymer

2. Atomic number of an element gives

  • the number of nucleons in its atom
  • the number of electrons in its atom
  • the weight of the atom of the element
  • the total number of elementary particles in its atom

3. Sugars are converted in the liver into

  • Glycogen
  • Vitamin
  • Monosaccharide
  • None of above

4. pH of blood is ?

  • 10.4
  • 9
  • 7.4
  • 4

5. The nuclear particles which are assumed to hold the nucleons together are ?

  • positrons
  • neutrons
  • electrons
  • mesons
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  • Dorjey 5 years ago

    how it ispossible that group 2 element can form two covalent bonds when their electron are paired up???

    pardeep 5 years ago replied

    It contain empty p orbital due to that s orbital e unpaired and for covalent bond

    pardeep 5 years ago replied

    Due to presence vacant p orbital s orbital electrons unpaired and form covalent bond