Answer:
fluorine (f) lies in group 17 and 2 period
Do you mean people become part of a 'circut' when a person becomes part of an electrical current?
Answer: Colloid
Explanation:
A suspension comprises of a substance that is dispersed in a liquid. Colloid may result when oil is mixed with water. In colloid , the other substance is merely scattered in a another and form a lower layer when the colloid is left to stand. A dispersion oil in water is called an emulsion. It is a type of colloid.