The hybridization model helps explain molecules with double or triple bonds (see Figure 1 below). So much of this year has been a relentless slog of bad news and miserable events that it's been hard to keep up. How an obscure British PC maker invented ARM and changed the world. The elongated sp hybrid orbitals have one large lobe which can overlap (bond) with another atom more effectively bond lengths will be identical and the molecule linear) The promotion of a Be 2s electron to a 2p orbital to allow sp hybrid orbital formation requires energy.
The Be 2sp orbitals are identical and oriented 180° from one another (i.e.