As the name suggests, it is based partly on theory and partly on empirical measurements; the theory is based on the liquid drop model, which can account for most of the terms in the formula and gives rough estimates for the values of the coefficients.
It is based partly on theory and partly on empirical measurements. The name suggests. The theory is based on the liquid drop model. The theory gives rough estimates for the values of the coefficients. The liquid drop model can account for most of the terms in the formula.