Occurrence of Metals and Non-metals in Nature
Chemistry ⇒ Metals and Non-metals
Occurrence of Metals and Non-metals in Nature starts at 6 and continues till grade 12.
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Describe the difference between minerals and ores with respect to the occurrence of metals.
Describe the occurrence of carbon in nature.
Describe the occurrence of phosphorus in nature.
Explain why chlorine is not found in the free state in nature.
Explain why metals like iron and aluminium are not found in the free state in nature.
Explain why noble gases are found in the free state in nature.
Explain why sodium and potassium are never found in the free state in nature.
Name the most abundant non-metal in the universe.
Name the non-metal that is essential for combustion and is found in the atmosphere.
Name the non-metal that is present in all organic compounds.
Name two metals that are always found in the combined state in nature.
Name two metals that are found in the native state in nature.
Name two non-metals that are essential for life and are found in the atmosphere.
Name two non-metals that are found in the solid state in nature.
