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Q.

What is the molar mass of silicon?

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a

158.97 g    

b

78.96 g    

c

32.06 g    

d

28.09 g 

answer is D.

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Detailed Solution

Silicon is a chemical element which is represented by the symbol Si and has an atomic number of 14. It is a hard and brittle crystalline solid that has a blue grey metallic lustre. It is a tetravalent metalloid and a semiconductor.
In the periodic table, it belongs to group 14: carbon is above it, and germanium, tin, and lead are below it. It has a low reactivity.
Silicon has a molar mass of 28.09 g.
  
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