What will group 2 form ionic bonds with?

Calculate the number of molecules present in 0.750 mol of mgo.

Calculate the number of moles of ethane in 100 grams

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 ?