Physical Property of Non-Metal - Density


 
 
Concept Explanation
 

Physical Property of Non-Metal - Density

Density of Non Metals :  Density of an object is equal to its total mass divided by its total volume.

Non metals  have lower density than that of the metals except Diamond  which is the most  hardest substance known. The reason of the low density of the non -metals is that their molecules are generally bonded by weak london or dispersion forces  due to which there are less force of attraction. Non metals also do not have definite structure like metals.

Sample Questions
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Question : 1

Which of the following are correct :

(a) Diamond has low density.

(b) Diamond has high density.

Right Option : B
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Question : 2

Non metals have low density because of ____________________.

Right Option : A
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Question : 3

Which of the following are correct :

(a) Non metals  have higher density than that of the metals except Diamond.

(b) Density of an object is equal to its total mass divided by its total volume.

Right Option : C
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Explanation
 
 


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