The element with atomic number 57 belongs to: (a) \( s \)-block (b) \( p \)-block \( \mathrm{P} ...

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The element with atomic number 57 belongs to:
(a) \( s \)-block
(b) \( p \)-block
\( \mathrm{P} \)
(c) d-block
(d) \( f \)-block
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