Question

Water is an example of ___________, while hydrogen is an example of __________.

a. an element; an isotope
b. an element; an ion
c. a compound; an element

Answer 1

Water is a compound, while hydrogen is an element.

The correct answer is c. a compound; an element.

Hope this helps~

Answer 2

Water is an example of a compound while hydrogen is an example of an element. the answer would be C. a compound, an element.
Water = H2O = compound because more than 1 element is used
Hydrogen = H = Found on periodic table = anything found on the periodic table is an element