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

H (Z = 1): 1s1 Þ 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 3 H ⇒ Trong PH3, xung quanh P có 8 electron giống khí hiếm Ar còn 3 H đều có 2 electron giống khí hiếm He.

Blended learning offers many benefits by combining traditional and online education. First, it provides flexibility, allowing students to learn at their own pace and access online materials anytime. This method also anhances engagement through videos, quizzes, and interactive exercises, making learning more enjoyable. Additionally, it helps students develop digital skills, which are essential in today's world. Blended learning also allows for personalized learning, as teachers can adjust lessons to meet individual needs. Moreover, it promotes collaboration by enabling students to interact both in person and online. Overall, this approach makes learning more effective and accessible.

Blended learning offers many benefits by combining traditional and online education. First, it provides flexibility, allowing students to learn at their own pace and access online materials anytime. This method also anhances engagement through videos, quizzes, and interactive exercises, making learning more enjoyable. Additionally, it helps students develop digital skills, which are essential in today's world. Blended learning also allows for personalized learning, as teachers can adjust lessons to meet individual needs. Moreover, it promotes collaboration by enabling students to interact both in person and online. Overall, this approach makes learning more effective and accessible.