The atomicity of phosphorus is $X$ and the $P-P-P$ bond angle in the molecule is $Y$. What are $X$ and $Y$?

• A
  $X = 4, Y = 90^{\circ}$
• B
  $X = 4, Y = 60^{\circ}$
• C
  $X = 3, Y = 120^{\circ}$
• D
  $X = 2, Y = 180^{\circ}$