Answer:
metallic bond
because this diagram is electron gas theory which shows metallic bond
The number of atoms in a molecule can be calculated by adding all of the number of elements from the chemical formula. For chlorophyll, the chemical formula would be <span>C55H72MgN4O5 adding all the elements we have 137 atoms. Hope this answers the question.</span>
I think it’s C atomic radius and numbers of unshielded protons
Answer:
the brain and the spinal cord are the two main parts.
