Examples of compounds in the lesson metals and nonmetals
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A COMPOUND IS A PURE SUBSTANCE
WHICH IS FORMED BY TWO DIFFERENT CHEMICALS IN A FIXED RATIO.
It is a combination of two different chemicals
EXAMPLE
Pure water is a compound made from two elements - hydrogen and oxygen. The ratio of hydrogen to oxygen in water is always 2:1.
Pure table salt is a compound made from two elements - sodium and chlorine. The ratio of sodium ions to chloride ions in sodium chloride is always 1:1.
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