Question

In the reaction
M +(x + y)NH2 →[M(NH3), )* +2[e(NH3),] .
Metal “M’ is used in maki
of windows of X-ray tubes. Powdered 'M'burns in air to form M.O,, M.N.. The value of
a+X
is
y+b​

Answer 1

Explanation:

Be Metal is used in x-ray window is due to transparent to x-rays