P (Z = 15): 1s22s22p63s23p3 có 5 electron hóa trị cần thêm 3 electron để đạt octet.

H (Z = 1): 1s1 H có 1 electron hóa trị cần thêm 1 electron để đạt octet.

Khi hình thành liên kết, P góp chung 3 electron với 3 electron của 3H => Trong PH3, xung quanh P có 8 electron giống khí hiếm Ar còn 3H đều có 2 electron giống khí hiếm He.

Last year, I attended a really cool music event at the local concert venue. There were Da LAB bands famous that I had been wanting to see live. The lineup was perfect for my musical tastes. When I arrived, the opening act was already setting up on stage. The crowd was pretty small at first but grew steadily as more people poured in. The first band had a really unique sound that was perfect to start the night off. By the time the headliner came on, the venue was packed wall-to-wall with fans dancing and enjoying the show. The energy in the room was absolutely electric. The headliner really knew how to work the crowd and play all their biggest hits. It was an amazing night hanging out with friends, discovering new music, and feeling the power of a live performance. My voice is still hoarse from singing along! If they come back again, I will definitely return to another show. Thanks for reading about my music-filled night out.