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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