How many oxygen atoms are present in 22.6 grams of sulfur trioxide (SO,)?
(Show work)

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.