Learning Islam Online

For Muslims are also obliged to believe in angels in mujmal (general), the sense of faith in angels is believed that God created the angels are with men and women, not eating and drinking, not sleeping, not married and they are noble creature.
The Word of God in the letter at-Tahrim paragraph 6:

لا يعصون الله ما أمرهم ويفعلون ما يؤمرون
do not disobey Allah in what He commanded them and always do what they're told.

About how many angels were definitely the only God knows. Among the many angels, that we must know only 10 angels, namely:
Gabriel in charge of revelation
Mikail charge rizki care creatures.
Israfil in charge of blowing the trumpets.
Azrael in charge take a life
Munkar and
Nakir, both on duty asked the corpse in the tomb.
Raqib and
Atid, both assigned to record human charity
Malik Zabaniyah guarding hell
Ridwan guarding heaven.

Source:


Ihya Ulumuddin, Cet. Dar Kutun Imliyah
Tanwir Qulub, Cet. Al-Hidayah
Kifayatul Layman, Cet. Dar Hidayah