Which of the following pairs contain metalloid elements in the peri...

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Which of the following pairs contain metalloid elements in the periodic table?
\( \mathrm{P} \)
(a) \( \mathrm{Na} \) and \( \mathrm{K} \)
(Kerala CEE 2014)
W
(c) \( \mathrm{Ca} \) and \( \mathrm{Mg} \)
(b) \( \mathrm{F} \) and \( \mathrm{Cl} \)
(d) As and \( \mathrm{Si} \)
(e) \( \mathrm{Cu} \) and \( \mathrm{Ag} \)
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