How many atoms are present in 354.22 g of cl2
a) 3.0076 x 1024 atoms
b) 4.9958 atoms
c) 6.0152 x 1024 atoms
d) 1.5119 x 1028 atoms

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?