Question

Which of the following correctly represents an element?

A Water - H20
B Copper - Cu
C Carbon monoxide - CO
D Salt - NaCl

Answer 1

A water H2O

Step-by-step explanation:

H2O is composed of 2 hydrogens which is represented H2 and the hydrogen is combined with one oxygen which forms water which is H2O

Answer 2

A water - H20 because you can touch it