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