4. do not apply heat and electricity because it is a Nonmetal.5. the atom is small when compared with that in the same period, but larger. When atomic number increases.
4. Do not conduct heat and electricity because it is non- 5. Smaller atoms Compared with the elements in the same period. But the larger When increasing atomic number
4. Don't bring the heat and electricity, because a non-metal 5. Atom is small compared to the elements in the same period, but there are larger when the atomic number increases .