The radius of a chromium atom is 125 pm. How many chromium atoms would have to be laid side by side to span a distance of 2.29 mm

What is the mass of sodium in 3 moles of sodium chloride

The student repeated the experiment using a higher concentration of acid. the same volume of acid and the same mass of magnesium ribbon were used. what volume of hydrogen gas would have been produced after 60 seconds?

Gene expression control that occurs during the generation of rna is a. controlled at transcription b. control before transcription c. controlled after transcription d. controlled after translation