Question

station 2
elements and compounds
which of the following is a compound?
a. sugar
b. gold
c. salt water
d. oxygen

Explanation:

A compound is a substance formed when two or more elements are chemically bonded together. Sugar (sucrose, \(C_{12}H_{22}O_{11}\)) is made of carbon, hydrogen, and oxygen atoms chemically combined. Gold (\(Au\)) is an element. Salt - water is a mixture (salt dissolved in water). Oxygen (\(O_2\)) is an element (a diatomic element).

Answer:

A. sugar