Which one of the following elemental forms is not present in the enamel of the teeth?
Solution
$\mathrm{P}^{+3}$ is not present is enamel of teeth.
<br/><br/>
Th compound present is $\left[3 \mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2} \cdot \mathrm{CaF}_{2}\right]$
<br/><br/>
Which contains $\mathrm{Ca}^{+2}, \mathrm{P}^{+5}$ & $\mathrm{F}^{-}$
About this question
Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 13: Boron Family
This question is part of PrepWiser's free JEE Main question bank. 300 more solved questions on p-Block Elements are available — start with the harder ones if your accuracy is >70%.