Why are noble gases so unreactive?
This is due to the number of electrons in the outer shell of their atoms. Their outer shell is full, meaning it is difficult for them to give or take electrons.
LD
Related Chemistry IB answers
All answers ▸Why is there a significant difference between the radii of first and second row transition metals, where as no difference (or even a decrease) is observed between the second and third rows?
What is the intermolecular force involved in secondary protein structure?
Explain in terms of ΔG, why a reaction for which both ΔH and ΔS are positive is sometimes spontaneous and sometimes not.
Explain why transition metals form coloured compounds when bonded to a ligand.