00:01
Hello, so here the question is based on lewis structure.
00:05
Okay, now the compound we have here is ph3 where p is the central non -metal.
00:13
Okay, so here we can write the atomic number of phosphorus as 15.
00:21
Okay, and from here we can write the electronic configuration as 1s2, 2s2, 2p6, 3s2, 3p3.
00:30
Okay, which makes the valency of it to be 5.
00:34
Okay, so if you are writing phosphorus, 5 electrons will be around it.
00:41
Okay, and two of them will remain as lone pair of electrons.
00:46
Now, hydrogen, the atomic number is 1, so the electronic configuration is 1s1...