Question

.... are electrically neutral particles present in atoms​

Answer 1

$\huge\mathbf{\mid{\overline{\underline{\fbox{\color{blue}{Neutrons }}}\mid}}}$

Answer 2

$\mid\huge\red{\boxed{\blue{\mathcal{\overbrace{\underbrace{\fcolorbox{blue}{aqua}{\underline{\red{Neutrons}}}}}}}}}$