How many atoms are present in 6.0g of magnesium? [Mg = 24, N.A = 6.02 x 10 \(^{23}\)mol]

The radio isotope used in industrial radiography for the rapid checking of faults in welds and casting is?

Beryllium and Aluminium have similar properties because they

mE + nF -----> pG + qH 
In the equation shown, the equilibrium constant is given by?

(I). 3CuO(s) + 2NH3(g) -----> 3Cu(s) + 3H2O(l) + N2(g) 
(II). 2NH3(g) + 3Cl2(g) -----> 6HCl(g) + N2(g) 
(III). 4NH3(g) + 3O2(g) -----> 6H2O(l) + N2(g) 
The reactions represented by the equations above demonstrate the