Answer:
Explanation:
The volume of a substance when given the density and mass can be found by using the formula
From the question we have
We have the final answer as
Hope this helps you
Rb
Alkali Metals are Group 1 so
Rb it isnt Hydrogen because it is a gas
6.93
correct me if verry wrong
Fun fact
The heads on Easter Island have bodies. ...
Letter D is the answer