مِثْقَالَ ذَرَّةٍ

مِثْقَالَ ذَرَّةٍ is a phrase (شِبْهُ الجُمْلَةِ), a compound consisting of a possessed noun and an attached (possessive) pronoun

PhraseNoun / NounNoun Noun
شِبْهُ الجُمْلَةِمُضَافٌ وَ مُضَافٌ إِلَيْهِمُضَافٌ إِلَيْهِمُضَافٌ
PhraseCompoundPossessive nounNoun possessed/owned
an atom’s weightمِثْقَالَ ذَرَّةٍ=ذَرَّةٍ+مِثْقَالَ
the weight of an atoman atomthe weight of
Surah/Below are the 4 verses in the holy Quran containing the compoundمِثْقَالَ ذَرَّةٍ
Verse
Indeed Allah (SWT) does not wrong the weight of an atom and if there is a goodإِنَّ اللهَ لَا يَظْلِمُ مِثْقَالَ ذَرَّةٍ وَإِنْ تَكُ حَسَنَةً
4-40He doubles it and gives from near Him a great rewardيُضَاعِفْهَا وَيُؤْتِ مِنْ لَّدُنْهُ أَجْرًا عَظِيْمًا
34-22
99-7So who does the weight of an atom of good will see itفَمَنْ يَعْمَلْ مِثْقَالَ ذَرَّةٍ خَيْرًا يَرَهُ
99-8and who does the weight of an atom of evil will see itوَمَنْ يَعْمَلْ مِثْقَالَ ذَرَّةٍ شَرًّا يَرَهُ