The missing components in the table to the right
are indicated with orange letters. use the periodic
table in the tools bar and this link web elements
to fill in the corresponding values
element
electron
affinity
(kj/mol)
electro-
negativity
bromine
324.6
2.96
chlorine
magnesium
sodium
52.8

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.