It is a compound since it is made of the elements silicon and oxygen joined in a fixed ratio. Sand and stones form a mixture. There are two distinct compounds.Click to see full answer. Also, are compounds mixtures?A compound contains atoms of different elements chemically combined together in a fixed ratio. A mixture is a combination of two or more substances where there is no chemical combination or reaction. Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds.Also, is rust an element mixture or compound? The quick answer is: Diamond is a pure element, carbon; gold is a pure element, gold; and rust is a compound, Iron Oxide, of iron and Oxygen. Also question is, is water an element compound or mixture? H2O a.k.a water is a COMPOUND because water has 2 different molecules which are chemically bonded. H2O can’t be a mixture because it’s bonded chemically and can’t be separated into H2 and O by physical means. It can’t be an element because H2O a.k.a water is made of atoms of different types (Hydrogen & Oxygen).What is an element or compound?Elements and compounds are pure chemical substances found in nature. The difference between an element and a compound is that an element is a substance made of same type of atoms, whereas a compound is made of different elements in definite proportions. Examples of elements include iron, copper, hydrogen and oxygen.

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