The `P-P-P` bond angle in white phosphorous is _____ .

The P - P -P bond angle in white phosphorus is close to :

White phosphorous (P_4) has :

The shape and bond angle of white Phosphorous molecules is

The atomicity of white Phosphorous is ‘x' and the P-hat(P)-P bond angle in the molecule is 'y'. What are 'x' and 'y' ?