Question

A compound is a pure substance composed of two or more elements, combined by chemical means, in a definite ratio. Which container resents a chemical compound? A) Cl B) H2O C) N2 D) Na

Answer 1

B. H2O.

Step-by-step explanation:

It is H2O (water) which is a compound of hydrogen and oxygen.

Answer 2

b. H2O

Step-by-step explanation:

A. is a single element, not a compound.

C. is simply two atoms of the same element, not a compound.

D. is simply a single element like A. Not a compount.

B. is two elements which are chemically bonded in a definite ratio.