Answer:
9 . this was not able the first one. it has to go on, I will not sure about
Answer:
The noble gases are the least reactive of all the elements but the heavier ones do form some molecules. Helium and neon never form molecules. They have completely filled electron shells with no have-filled orbitals available for making covalent bonds and they have very high ionization energies so they don't form ions.
Explanation:
<span>the element that requires the least amount of energy to remove the outer-most electron from a gaseous atom in the ground state is s</span><span>odium</span>
Answer:
This answer I think it is Al,F
N=2 (always first number), l=1 (corresponds to p), ml=(-1 to 1)
