CHEMICAL COMPOUNDS WHICH CONSTITUTE LIVING ORGANISMS All matter is made up of chemical elements, each of which exists in the form of smaller units called atoms Some of the elements occur in large amounts in living things These include carbon, oxygen, hydrogen, nitrogen, sulphur and phosphorus Elements combine together to form compounds Some of these […]
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SYMBOL SOFELEMENT An element is a substance which consists of only one kind of matter Over 100 elements are known, these elements are usually represented by symbols instead of writing their names in full. The abbreviation for each element is called Symbol for that element. The brief name of that element it represents also one
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If the law of conservation of matter is to be kept, it means that there must be the same number of atoms in each half of the equation. There must be the same number of atoms in reactants and in the products. The law of conservation of matter states that matter is neither created
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