Alkali Metals
Carbon, Silicon (a metalloid), Germanium (a metalloid),
Carbon is in the same group as lead.
It is a non metal. Phosphorus belongs to group 15
No, helium is not both a metal and a nonmetal. The element helium (He), along with its cousins in Group 18 of the periodic table of the elements, is a monatomic nonmetal.
Alkali Metals
Carbon, Silicon (a metalloid), Germanium (a metalloid),
group 17, halogens
the halogens, group 17
Carbon is in the same group as lead.
It is a non metal. Phosphorus belongs to group 15
Halogens, group 17 (7)
No, helium is not both a metal and a nonmetal. The element helium (He), along with its cousins in Group 18 of the periodic table of the elements, is a monatomic nonmetal.
Carbon
The halogens.
Carbon (C)
Arsenic