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According to the Lewis structure for HNNH, how many $$\sigma$$ bonds, $$\pi$$ bonds and lone pairs of electrons are present?
Sigma bonds ($$\sigma$$)-2, pi bonds ($$\pi$$)- 2, lone pairs of electrons (n)- 2
Sigma bonds ($$\sigma$$)-3, pi bonds ($$\pi$$)- 2, lone pairs of electrons (n)- 0
Sigma bonds ($$\sigma$$)-3, pi bonds ($$\pi$$)- 1, lone pairs of electrons (n)- 2
Sigma bonds ($$\sigma$$)-3, pi bonds ($$\pi$$)- 0, lone pairs of electrons (n)- 4
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