资讯

The number of electrons lost, and so the charge of the ion, is indicated after the chemical symbol, e.g. silver (Ag) loses one electron to become Ag +, whilst zinc (Zn) loses two electrons to become ...
The number of electrons lost, and so the charge of the ion, is indicated after the chemical symbol, e.g. silver (Ag) loses one electron to become Ag +, whilst zinc (Zn) loses two electrons to become ...