Question

give a short note on ALN​

Answer 1

Answer:

AlN is a kind of covalent bond compound that has two structures of hexagonal wurtzite (α-phase) and cubic sphalerite (β-phase) .The hexagonal wurtzite structure is stable while the cubic sphalerite structure is metastable and can be stable only under high pressures.

Answer 2

$<table border=1> <tr *Valign=Top> <th>*<bt>(x2-11+28) *</th> <tr>*2x-39 ##<tr>37xAnswer##$