From its electronic configuration, predict which of the first 10 elements would be most similar in chemical behavior to the as yet undiscovered element 119. beryllium
carbon
oxygen
lithium
fluorine
nitrogen
neon
boron

Calculate the mass percent of hydrogen in methyl acetate

150.0 grams of asf3 were reacted with 180.0 g of ccl4 to produce ascl3 and ccl2f2. if the actual yield of ccl2f2 was 127 g, what is the percent yield?

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.