A scientist combines oxygen and hydrogen to form water. This combination illustrates that water is
A B C D
an atom. an element. a mixture. a compound.
Question: A scientist combines oxygen and hydrogen to form water. This combination illustrates that water is
(A) an atom.
(B) an element.
(C) a mixture.
(D) a compound.

Answer: (D) a compound.
Answer: (B) an element.
Question: A scientist combines oxygen and hydrogen to form water. This combination illustrates that water is
(A) an atom.
(B) an element.
(C) a mixture.
(D) a compound.
Answer: (D) a compound.