Physical Property of Non-Metal - Sonority


 
 
Concept Explanation
 

Physical Property of Non-Metal - Sonority

Sonority of Non- Metals

Non- metals produce a dull sound when struck with a hard object. Non-Metals are not Sonorous. This means that solid non-metals do not make a  ringing sound when we strike them. If we drop a piece of carbon (say, a piece of charcoal) or a lump of sulphur on the  floor or strike them with a hammer, we do not hear any ringing sound. This mean that  carbon and sulphur non-metals are not sonorous. They are not capable of producing a  ringing sound when struck.

As we have discussed al the physical properties of Metal and Non Metals, we shall have a look at the difference between Metal and Non Metal.

  Metals Non-Metals
Metals are generally solids (exception: mercury, gallium Non-Metals are found in all three states
Metals are heavy, (exception : sodium, potassium, magnesium Non-Metals are generally light in weight;
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Sample Questions
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Question : 1

Solid non-metals _________________  a  ringing sound when we strike them.

Right Option : A
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Explanation
Question : 2

Which of the following are correct :

(a) Solid non-metals do not make a  ringing sound when we strike them.

(b) Solid non-metals make a  ringing sound when we strike them.

Right Option : A
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Explanation
Question : 3

Which of the following elements will not produce a sound on striking a hard surface?

Right Option : B
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Explanation
 
 


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