Input interpretation
period 3 elements | CAS number
Table
sodium | 7440-23-5 magnesium | 7439-95-4 aluminum | 7429-90-5 silicon | 7440-21-3 phosphorus | 7723-14-0 sulfur | 7704-34-9 chlorine | 7782-50-5 argon | 7440-37-1