Which has a greater mass, 1 mole of hydrogen (H) atoms or 1 mole of sodium (Na) atoms?

Why does asexual reproduction result in offspring with identicle genetic variation

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

Which statement best describes what happens when molecular compounds melt