David (davidbebek)

Race #4

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Official speed 42.68 wpm (50.05 seconds elapsed during race)
Race Start February 18, 2016 6:20:24am UTC
Race Finish February 18, 2016 6:21:14am UTC
Outcome No win (3 of 3)
Accuracy 95.0%
Points 0.00
Text #1240104 (Length: 178 characters)

Kimia dari suatu unsur ditentukan oleh cara di mana elektron disusun dalam atom. Pengaturan demikian merupakan dasar dari klasifikasi periodik modern unsur-unsur: Tabel Periodik.