Question

Phosphorous is written as 15P31



1) What does 15 and 31 indicates?



2) Find the number of protons and neutrons in it





3) Write the electronic configuration of phosphorous atom​

Answer 1

Answer:

1.Phosphorus is a chemical element with the symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Earth.

2. 15 protons and 16 neutrons

3.[Ne] 3s² 3p³ is electronic configuration of phosphorus

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