The number of metalloids in the following elements are $\mathrm{Si}, \mathrm{Mn}, \mathrm{B}, \mathrm{F},…
The number of metalloids in the following elements are $\mathrm{Si}, \mathrm{Mn}, \mathrm{B}, \mathrm{F}, \mathrm{Cu}, \mathrm{Ag}, \mathrm{K}, \mathrm{Sb}, \mathrm{As}, \mathrm{Na}, \mathrm{Ge}$