How many atoms are in 20.4 g of beryllium

Which best describes how johannes kepler developed his laws of planetary motion

Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %

Nan element’s square on the periodic table, the number with the greatest numerical value represents the