The column that shows how many free to react an element has.

They are like other investigations? say there was a murder u have to do blood test and finger prints which run through a lab. 

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.

The total number of electrons is 14