A quick search of my Computerised Qur'an shows "Jew" mentioned 27 times and 'Jews' 23 times. This may not add up to a total of 50 as they may be in the same verse in some cases and in the case of the search under 'Jew' words such as 'Jewry' were found.
There are 88 times satan is mentioned in the Quran.
2698
Adam was mentioned 11 times in the holy Quran.
Musa (Muses) PBUH, is the most mentioned prophet in the holy Quran. He is mentioned by name 136 times.
The prophet Mussa (Moses), peace be upon him, is mentioned in Quran 120 times.
he was mentioned 4 times
25 times
5 times
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20
Three times in one Quran chapter (# 97)
The mountain has been mentioned about 39 times in the Quran.