Identify each of the following elements: (a) a halogen
whose anion contains 36 electrons, (b) a radioactive
noble gas with 86 protons, (c) a group 6a element
whose anion contains 36 electrons, (d) an alkali metal
cation that contains 36 electrons, (e) a group 4a
cation that contains 80 electrons.

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.