A crystal of sodium hydride has fcc unit cell of ions with ions at the body centres…

CHEMISTRY · Subjective · AP · Chemistry · Compound Structure and Properties · Compound Structure and Properties

Problem

A crystal of sodium hydride has fcc unit cell of

\text{H}^-

ions with

\text{Na}^+

ions at the body centres of unit cell and in the centre of edges. The no. of

\text{H}^-

that touch each

\text{Na}^+

is .....