19. which is the most active nonmetal in the periodic
table of the elements?
a) f
b) c1
c)na
d)i

A

Explanation:

A) Fluorine.

Explanation:

That is Fluorine. It readily grabs an extra electron  to form a stable 8 electron configuration.

Cl and I belong to the same Group ( The halogens) in the Periodic Table but are not so active as Fluorine.

Na is very active but it is a metal.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

answer7,570,82356 cubic centimeters;