Question

what is the difference between metal and non metal ​

Answer 1

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As against non-metals are the elements which are usually soft. ... Generally, the elements containing 1,2 or 3 electrons in the valence shell of their structure are known as metals. While the elements with 4, 5, 6 or 7 electrons in their outermost shell are known as non-metals.

Answer 2

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METALS

▪️They are melleable and ductile.

▪️They are good conductors of heat and electricity.

▪️They are sonorous.

▪️They are lustrous.

▪️They are hard.

▪️They are solid at room temperature.

▪️They have high density.

▪️They hav high melting and boiling point.

Examples :−

• Copper, Aluminium, Calcium, Magnesium, Iron,etc.

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NON−METALS

▪️They are neither melleable nor ductile.

▪️They are poor/bad conductors of heat and electricity.

▪️They are not sonorous.

▪️They are dull.

▪️They are soft.

▪️It may be solid,liquid or gas.

▪️They have low density.

▪️They have low melting and boiling point.

Examples :−

• Sulphur, Carbon, Oxygen, Phosphorus,etc.