A metal has atomic radius $150\mathrm{pm}$. Taking $\sqrt{2}=1.414$ and $\sqrt{3}=1.732$, which statements are correct?

1. AThe unit cell edge in the simple cubic form is $300\mathrm{pm}$.
2. BThe unit cell edge in the bcc form is $375\mathrm{pm}$.
3. CThe unit cell edge in the fcc form is $424\mathrm{pm}$.
4. DThe volume of the fcc cell is about 2.83 times that of the simple cubic cell.