فَمَن يَعْمَلْ مِثْقَالَ ذَرَّةٍ خَيْرًا يَرَهُۥ ٧
Sentence structure
فَ resumes the conclusion. Conditional مَن is followed by jussive condition verb يَعْمَلْ and jussive result يَرَهُۥ. مِثْقَالَ is the object, ذَرَّةٍ its genitive complement and خَيْرًا an accusative specification.
Ayah summary
Whoever has done an atom's weight of good will see it.
فَمَن — so whoever
Grammar: فَ resumes the conclusion and مَن is a conditional noun.
يَعْمَلْ — does
Grammar: A third-person masculine-singular jussive imperfect, the condition verb; its subject is the hidden pronoun «هُوَ».
مِثْقَالَ — the weight
Grammar: A masculine accusative object, annexed onward.
ذَرَّةٍ — of a speck
Grammar: A feminine indefinite genitive complement of مِثْقَالَ.
خَيْرًۭا — good
Grammar: An indefinite masculine accusative specification of مِثْقَالَ.
يَرَهُۥ — will see it
Grammar: A jussive third-person masculine-singular imperfect, the result of the condition; its subject is the hidden pronoun «هُوَ», and attached هُ is its object.