The metal and non-metal in the same group are Hydrogen and Sodiim
Silicon(Si) and Germanium(Ge), which are in group 14 or Arsenic(As) and Antimony(Sb), which are in group 15.
nitrogen and phosphorus; oxygen, sulfer and selenium; fluorine chlorine, bromine and iodine
The transition metals share the characteristics of both metals and non-metals.
The metalloids have the characteristics you are describing, but they do not form a perfect vertical column rather a staircase shape
Carbon
There is a liaison between a metal Na and a non-metal group CN.
Radon is a non-metal, an element. It belongs to group 18 and period 6 on the periodic table.
Aluminum is normally classified as a metal, but it has some characteristics that cause it to be occasionally classified as a metalloid.
The common name for group seven non-metals is Halogens. The non-metals in the group are Fluorine, Chlorine, bromine and iodine.
Carbon
Lead is a transition state element, and all of the transition state elements are metals; there are no non-metal elements in the transition state.
Phosphorus is, And the Abbreviation for Phosphorus is P4O10,
Argon is known to be non-metal. This forms in a group of 13 or more.
non-metal
Selenium is a non metal. It belongs to oxygen family or group 16.
Oxygen is a non-metal
Group 17, the Halogens.
Group 17 (the halogens)
Valence electrons and group number for metal are same. For non-metals, valence electrons are equal to group number-10.
Selenium is a non metal. It belongs to group 16.
Oxygen is a non metal. It belongs to group 16.