Question

differentiate between metals,non metals,metalloids, noble gases.
please give full answer
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Answer 1

Answer:

 

Metal  

• Electropositive in nature and form cations .

• Generally hard and stronger and found in solid form accept Hg.

• Good conductor of heat and electricity.
• They are ductile, malleable and sonorous in nature.
• They have luster.
• High melting and boiling points.

Non Metals

• Electronegative in nature and forms anions.
• Generally soft and found in gaseous form accept bromine.
• Bad conductor of heat and electricity.
• They do not have such characters.
• They are dull in appearance.
• Low melting and boiling points.

Metalloids : Metalloids are those substances which have some properties of metals and some of non-metals e.g. boron, silicon.

Noble gases : Noble gases are those which do not react chemically with other elements or compounds e.g. helium, neon, etc.