Mg is a metal
Potassium is a metal.
Alloy?
Potassium is a metal. It belongs to group 1 or alkali metals.
it is a nonmetal.
Potassium is a METAL. These distinctions are quite arbitrary, as all elements have more or less metallic character - there are no "true" metals or non-metals (we call the ones we can't decide on "metalloids") Potassium has a very high metallic character .
nonmetal
Uranium is a metal, rather than a nonmetal, or metalloid.
metalloid
metalloid
metalloid
metalloid