Consider the following elements. Group Period A'B' C'D' Which of the following is/are true about A', B', C'and D' ? A. Order of atomic radii: B' A' D' C' B. Order of metallic character : B' A' D' C' C

Question

Consider the following elements. Group Period A'B' C'D' Which of the following is/are true about A', B', C'and D' ? A. Order of atomic radii: B' A' D' C' B. Order of metallic character : B' A' D' C' C. Size of the element : D' C' B' A' D. Order of ionic radii : B' A' D' C' Choose the correct answer from the options given below : 1. A only 2. A, B and D only 3. A and B only 4. B, C and D only

Prashant Kotian · Accepted Answer

Correct answer: .. :- In general along the period from left to right, size decreases and metallic character decrease. In general down the group, size increases and metallic character increases.     B' A' size C' A' size       D' C' size D' B' size     B' A' metallic character    D' C' metallic character    ' ' B A size      ' ' D C size     C statement is incorrect.

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