Answer:
Element: Sulfur ; S
Compound: Water ; H2O
Mixture: Gunpowder ; 2 KNO3 + S + 3 C -> K2S + N2 + 3 CO2
Explanation:
An element is a pure substance that cannot be broken down into simpler substances. A periodic table for example has elements.
A compound is a chemical substance that's made of multiple elements held together by chemical bonds. All elements from the periodic table can be combined to make a compound but they have to bond a specific way in order for them to actually make something. Water is the easiest to remember.
A mixture is two or more substances that are physically combined. They are not chemically combined though. There are a few types of mixtures including homogeneous, heterogeneous, etc. Gunpowder is actually a mixture. It contains sulfur, carbon and potassium nitrate.
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