Chemistry Question on The solid state

Question

Which among the following metals crystallise as a simple cube ?

Answer 1

Solution

Polonium is a radioactive element having two metallic allotropic forms; $\alpha$ -form and $\beta$ -form. Out of these two forms, $\alpha$ -Po form crystallises as simple cubic crystal. Copper and gold crystallises in face centred cubic crystal and iron crystallises in body
centred cubic crystal