Angels

Muslims believe angels submit to God and carry out his commands. They were created from light.

Description of Angels
“They celebrate His praises night and day, nor do they ever slacken.” -Qur'an 21:20

The angels never get bored nor slack off. The angels have no freewill. They carry out God's will. The Qur'an says they have wings. Angels also have no freewill. They have only intellagence.

Names of Angels
There are certain angels mentioned in the Qur'an and hadith.

Abilities
The angels have abilities to come in different forms. The Qur'an says when Jesus (a.s.) was concepted by Mary:  “…Then We sent to her Our angel, and he appeared before her as a man in all respects.” (Quran 19:17)

"Angels also visited Abraham in human form.  Similarly, angels came to Lot to deliver him from danger in the form of handsome, young men.  Gabriel used to visit Prophet Muhammad in different forms.  Sometimes, he would appear in the form of one of his handsome disciples, and sometimes in the form of a desert Bedouin." -islam religion.com

Gabriel delivered the revelations to God's human messangers. The Qur'an says:  “Say: whoever is an enemy to Gabriel - for he brings down the (revelation) to your heart by God’s will...” (Quran 2:97)

Tasks of the Angels
The angles have different jobs. Michael is in charge of sending down rain and he has help from other angels and puts it in where ever God wants it. Israfael is in charge of blowing the horn the Day of Judgement. He also takes the souls from people at the time of death by God's command, It is said in the Qur'an:  “Say: the Angel of Death, put in charge of you, will (duly) take your souls, then shall you be brought back to your Lord.” (Quran 32:11)

There are gaurdian angels who protect the believers through their life.

There angles who write down the deeds of human beings. They are known as the "Honorable Scribes."

There are the angles Munkar and Nakeer who question people in their graves.

There are 19 angels who gaurd Paradise and 9 angles who gaurd Hellfire and their leader is Malik.

There are angels who breathe the sould by God's command into the fetus.

Other angels have other tasks which they do.