A crystalline solid has a cubic structur...

A crystalline solid has a cubic structure in which tungsten atoms are located at the cubic corners of the unit cell., oxygen atoms at the ege of te cube and sodium atom at the cube centre. The molecular formula of the compound is

`Na_2WO_3`

`NaWO_4`

`NaWO_3`

`Na_2WO_4`

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