How many atoms are in 15.6 grams of silicon? Chemistry Chapter 6 How many atoms are in 15.6 grams of silicon? A) 2.64 × 10^26 B) 3.34 × 10^23 C) 0.555 D) 438 E) none of the above Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+