about metals in chemistry
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about metals in chemistry aluminium, jink, copper, iron
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Metals
The earth's crust is the biggest source of many metals. three quarters of all elements on earth are metals. some soluble salts of the metal are also found in seawater. metals occur in nature in different forms.the natural mode of occurrence of metal is largely dependent on its properties.
most metals are reactive in nature, does the combine with oxygen and sulphur naturally. these metals exist in combined state as minerals. for example, calcium is present in limestone (calcium cabinate) and iron in haematite.
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