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The s-block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe s-block Elements1 Mark
MCQ
The metal used in solar cells is:
  • A
    $Na$
  • B
    $Li$
  • ✓
    $Cs$
  • D
    $Mg$
✓

Answer

Correct option: C.
$Cs$
Among the given metals, Caesium $(Cs)$ has the lowest ionization enthalpy. Hence it loses electrons readily. Therefore, caesium is used in solar cells.

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