The atomic numbers of four elements $P, Q, R a n d S$ are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is:

P

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Q

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R

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S

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Solution

The correct option is C $R$
P is Carbon Q is oxygen R is Silicon and S is Sulphur. So silicon among these is a metalloid. Thus R is the metalloid

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[1 mark]

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The atomic numbers of four elements P,Q,R and S are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is:

The correct option is C RP is Carbon Q is oxygen R is Silicon and S is Sulphur. So silicon among these is a metalloid. Thus R is the metalloid

The atomic numbers of four elements $P, Q, R a n d S$ are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is:

The correct option is C $R$
P is Carbon Q is oxygen R is Silicon and S is Sulphur. So silicon among these is a metalloid. Thus R is the metalloid