Fill in the blanks given below:
$(i)$ The electronic configuration of noble gases is .......... .
$(ii)$ The bond formed by electrostatic attraction between a cation and an anion is called ........... .
$(iii)$ The octet rule is also known as ............ .
$(iv)$ The equilibrium distance between the centers of two bonded atoms in a molecule is called .......... .
$(i)$ The electronic configuration of noble gases is .......... .
$(ii)$ The bond formed by electrostatic attraction between a cation and an anion is called ........... .
$(iii)$ The octet rule is also known as ............ .
$(iv)$ The equilibrium distance between the centers of two bonded atoms in a molecule is called .......... .
(N/A) $(i)$ $ns^{2} np^{6}$
$(ii)$ Electrovalent bond (or Ionic bond)
$(iii)$ Lewis octet rule
$(iv)$ Bond length
$(ii)$ Electrovalent bond (or Ionic bond)
$(iii)$ Lewis octet rule
$(iv)$ Bond length
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$(a)$ $MnO_4^-$ contains $\sigma$ bonds.
$(b)$ $MnO_4^-$ contains $\pi$ bonds.
$(c)$ $MnO_4^-$ contains both $\sigma$ and $\pi$ bonds.
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$(a)$ $MnO_4^-$ contains $\sigma$ bonds.
$(b)$ $MnO_4^-$ contains $\pi$ bonds.
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$I$. $BO_3^{-3} < CO_3^{-2} < NO_3^{-}$
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$III$. $BF_3 > BCl_3 > BBr_3$
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