Answer:
The amount of mass in a certain volume
Explanation:
Answer:C
Explanation:
It would be the most visually understandable.It would be easyer to understand what you are modeling.
Answer:
The transition elements have their valence electrons in two different sets of orbitals that are (n-1)d and ns. Thus, transition elements show variable valencies due to the involvement of penultimate d shell electrons.
Explanation: