Remember, SP three contains 25% S character and 75% P character. Now let's look at our second anion. So in this anion, our lone pair of electrons are found in an SP orbital. In an SP hybridized orbital, an SP orbital is an orbital that has 50% S character and 50% P character. So this has much more S character than this compound. And recall that the more S character a bond or an orbital has, the more stabilizing or the more stable the electrons in that bond will be.