The elements in a row of the periodic table *
O are in the same family-
O have the same or nearly the same properties
O have the same average atomic mass.
O have properties that change in a pattem.

What is the number of moles in 15.0 g ash3?

May someone me with these science questions

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 ?