by subtracting 8 from the group number. this was answer by a Sone.
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.
The halogens.
Oxygen usually has a -2 charge as it is a group VI nonmetal. Most of the elements in group VI have -2 charges when they form ions.
How to determine these ions:metal cations: find the positive charge, and make sure it is qual to the group numbernonmetal anions: subtract 8 from the group numbertransition metals cations: the number of electrons lost
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Carbon, Silicon (a metalloid), Germanium (a metalloid),
group 17, halogens
the halogens, group 17
Carbon is in the same group as lead.
O2- The ionic charge of something can be determined by it's place in the Periodic Table. Elements in groups 1-3 have a positive charge the same as their group number, e.g. Magnesium (Mg) Is in group 2 so its charge is Mg2+ Elements in groups 5-7 have a negative charge equal to their group number -8 e.g. Oxygen is in group 6 (6-8=-2) So its charge is O2- The noble gases (Group 0) do not have an ionic charge.
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