Looking at the bohr models of atoms offer an explanation as to why the atomic size changes as it does for both periods and groups. periods: groups:

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number