Can phosphorus with outer electronic configuration $3 s^{2} 3 p^{3}$ from $P H_{5}$ ?

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Solution

$P H_{5}$ is an unstable molecule, it does not exist.
During the formation of $P H_{5}$ molecule overlapping of orbitals occur. The overlapping of $1 s$ (hydrogen) with $3 p$ (Phosphorus) is not much effective due to the large variation in a size of orbitals and hence $P H_{5}$ is less stable.

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Can phosphorus with outer electronic configuration 3s23p3 from PH5?

PH5 is an unstable molecule, it does not exist. During the formation of PH5 molecule overlapping of orbitals occur. The overlapping of 1s (hydrogen) with 3p (Phosphorus) is not much effective due to the large variation in a size of orbitals and hence PH5 is less stable.

Can phosphorus with outer electronic configuration $3 s^{2} 3 p^{3}$ from $P H_{5}$ ?

$P H_{5}$ is an unstable molecule, it does not exist.
During the formation of $P H_{5}$ molecule overlapping of orbitals occur. The overlapping of $1 s$ (hydrogen) with $3 p$ (Phosphorus) is not much effective due to the large variation in a size of orbitals and hence $P H_{5}$ is less stable.