Which is the following element is non-metal? a) aluminium b)gold c) carbon d)iron
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Answer:
Phosphorus- The Non-metal.
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The correct answer is option c. Carbon.
- Carbon is a solid non-metal.
- Carbon belongs to the fourteenth group in the modern periodic table. The elements of this group have four electrons in the valence shell.
- It is usually found in covalently bonded forms in different structures.
- It forms acidic oxides and is not malleable and ductile as that of the metals.
- It possesses three main allotropes: Diamond, Graphite and Fullerene.
- Diamond is the hardest natural substance on our planet.
- Graphite is a good conductor of electricity.
- The self linking property of carbon is called catenation.
- Carbon forms are one of the crucial compounds in all biological systems. eg. All living organisms are primarily made up of carbon.
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