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Thunder  (Arabic: الرعد, ar-raʻd; meaning: The Thunder) is the 13th chapter (sūrah) of the Qur'an, composed of 43 verses (āyāt). It has Muqattat (Quranic initials) المر (Alif. Lam. Mim. Ra or ALMR).
|No. of Rukus||6|
|No. of verses||43|
|No. of Sajdahs||1 (15th Ayah)|
|No. of words||854|
|No. of letters||3450|
|Opening muqaṭṭaʻāt||4 Alif Lam Mim Ra (المر)|
-  Whatsoever is in heaven and on earth worshippeth GOD, voluntarily or of force; and their shadows also, morning and evening. ۩ 
It decides the oneness of God, the message, the judgment day and the penalty. The Sura revolves around an important axis that what is truth is clear through power and stability. And what is falsehood is clear through its weakness. No matter how it is dressed up and no matter how it pretends to be the truth. The verses call upon people to not be deceived by the glitter of falsehood because it is inevitably fleeting, while the truth shines throughout the entire universe.
- 1 The infidels reject the Quran
- 2-4 God manifests himself to man in his works
- 5 The unbelievers deny the resurrection
- 6 Their punishment
- 7 Threatened judgments sure to come to pass
- 8 Unbelievers demand a sign
- 9-12 God is omniscient
- 12 God’s purposes are unchangeable
- 13-14 Thunder and lightning manifest God as the true object of worship
- ۩ 15 Idolaters invoke their gods in vain
- 16-17 All nature worships the Creator
- 18 The separation of infidels from true believers typefied in the flowing stream and the melting metal
- 19-22 True believers described
- 23-24 Their reward
- 25 The end of the infidels
- 26 Abundance of wealth no sign of God’s favour
- 27 The infidels demand a sign from heaven
- 28 God directs true believers
- 29 Muhammad sent to an unbelieving people
- 30 Signs unavailing to make infidels true believers
- 31-32 God will punish the unbelievers
- 33-34 Idolaters are reprobate
- 35 Paradise described
- 36 Certain Jews acknowledge Muhammad to be a prophet
- 36-37 Muhammad exhorted to make no compromise with idolatry
- 38 Wives and children no hindrance to the prophetic office
- 39 God is lord of his own book
- 40 Muhammad a preacher only
- 41 God’s judgments sure to come to pass
- 42 The plots of God’s enemies not hidden from him
- 43 God attests the claims of his Prophet 
The name of the Surah is from the word (ar-Ra'ad) (thunder) in 13th ayat. It is simply the representative name of the Surah and doesn't in any capacity imply that the discourse is about the scientific issues associated with thunder.
Time of RevelationEdit
The rhetoric of the discourse  shows that this Surah was uncovered in the ending of Meccan phase when Muhammad was also revealed with Surahs Yunus, Hud, and Al-A'araf. The way of discourse shows that quite a while had gone since Muhammad had been passing on the Message. From one viewpoint, his adversaries had been carrying out various plots to vanquish him and his mission, on different, his supporters had been communicating a longing that by indicating a marvel or some tangible miracle the disbelievers may be brought to the Correct Path. In answer, Allah intrigued on the Devotees that it isn't His approach to change over individuals by this strategy and that they ought not to lose heart if He is giving the adversaries of the truth, a rope sufficiently long to hang themselves. Else, He can give such indications as may bring the dead out of their graves and cause them to talk, yet and still, after all that these obstinate individuals will develop a reason to clarify this away. This definitive proof obviously demonstrates that this Surah was uncovered during the ending phase of Muhammad's Meccan era.
The opening ayat articulates the fundamental topic of this Surah, that is, "The Message of Muhammad (Allah's tranquility arrive) is the very Truth, however, it is the shortcoming of the individuals that they are dismissing it." This is the axis on which the entire Surah orbits. This is the reason it has been appeared again and again in various manners that the fundamental parts of the Message - Tawhid, Resurrection, and Prophethood-are a reality: along these lines, they ought to accept truly in these for their own good moral and spiritual. They have been cautioned that they will bring about their own ruin in the event that they dismiss them, for kufr without anyone else is sheer insanity and ignorance. In addition, the point of the Surah isn't simply to fulfill the brains yet additionally to speak to the hearts to acknowledge the Faith. In this manner, it doesn't only advance consistent contentions on the side of the reality of the Message and against the individuals' off-base thoughts, yet at fitting interims it utilizes thoughtful and sincere interests to prevail their hearts by notifying them of the results of kufr and by holding out the cheerful prizes of Faith with the goal that the silly individuals should surrender their hardheadedness.
Other than this, the complaints of the rivals have been replied with no notice of them, and those questions which are demonstrating a block in the path of the Message or were being made by the adversaries have been expelled. Simultaneously, the Devotees; who had been going through long and hard trial and were feeling tired, and standing by restlessly for Allah's help, have been ameliorated and loaded up with expectation and fortitude. The significant issues, divine Laws, and direction incorporated in the text of the discourse can be categorized as follows:-
- The Qur'an is the disclosure of Allah.
- Trees, fruits, and vegetables are among the indications of Allah.
- Allah never changes the state of a people except if they are eager to change themselves.
- The individuals who don't react to the call of Allah will have no real way to escape from the fire of hellfire.
- It is the recognition of Allah that gives quietness to hearts.
- Rasools have no capacity to show any marvel of miracle with the exception of the will of Allah.
- George Sale translation
- Illustrated at Quran.com
- Arabic script in Unicode symbol for a Quran verse, U+06DD, page 3, Proposal for additional Unicode characters
- Wherry, Elwood Morris (1896). A Complete Index to Sale's Text, Preliminary Discourse, and Notes. London: Kegan Paul, Trench, Trubner, and Co. This article incorporates text from this source, which is in the public domain.
- (v. 13)
- (vv. 27-31 and vv. 34-48)
- (v. 31)
- Muhammad Farooq-i-Azam Malik (translator), Al-Qur'an, the Guidance for Mankind - English with Arabic Text (Hardcover) ISBN 0-911119-80-9