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Shweta was given four squares P, Q, R and S with atomic numbers written on them. She gave theFollowing four statements(i) Element after square Q is a non-metal. (ii) Square R represents a metalloid. (iii) Element just before square R is a metalloid. (iv) Element just before square S is a metalThe true statements given by her are _. (A) (i), (ii) and (iii) only (B) (i), (ii) and (iv) only (C) (ii) and (iii) only (D) (i), (ii), (iii) and (iv) |
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Answer» Correct option (A) (i), (ii) and (iii) only Explanation: Element after Q (silicon) is phosphorus which is a non-metal. Element R is arsenic which is a metalloid. Element just before R (arsenic) is germanium which is a metalloid. Element just before S (tellurium) is antimony which is also a metalloid. |
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