Order of metallic character for a set of elements

1. A.
   $Na > Mg > Be > Si > P$
2. B.
   $P > Si > Be > Mg > Na$
3. C.
   Si $>$ P $>$ Be $> Na > Mg$
4. D.
   $Be > Na > Mg > Si > P$

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1. A.
   $Si < Be < Mg < K$
2. B.
   $Be < Si < K < Mg$
3. C.
   $Be < Si < Mg < K$
4. D.
   $K < Mg < Be < Si$

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1. A.
   $Be > Ca > K$
2. B.
   $Ca > K > Be$
3. C.
   $K > Ca > Be$
4. D.
   $K > Be > Ca$

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1. A.
   7 and 5
2. B.
   5 and 6
3. C.
   5 and 7
4. D.
   6 and 7

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