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 how metals are generally found in nature.
Describe the difference between the occurrence of metals and non-metals in nature.
Describe why some metals are found in free state while others are found as compounds in nature.
Explain why gold is found in its native state in nature.
Explain why metals like iron are found as oxides or sulphides in nature.
Explain why sodium and potassium are not found free in nature.
Name one metal that is always found combined with other elements in nature and never in its free state.
Name one metal that is found in the Earth's crust mainly as sulphide ores.
Name one non-metal that is found in living organisms and is essential for life.
Name one non-metal that is found in the form of a gas in the atmosphere.
