Stinger+Activity

 What is the mass in grams of 2.000 moles of oxygen atoms   How many moles of aluminum exist in 100.0g of aluminum    How many atoms are in 80.45 grams of magnesium    What is the mass in grams of 100 atoms of carbon 12 isotope    Draw the Lewis dot diagram for H 2 S and predict it geometry    Also do the same for CCl 4, BF 3 , PCl 5 , BeF 2 & SF 6