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

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Draw a Lewis structure of phosphine, and state the hybridisation of the phosphorus atom.


Sodium hydroxide reacts with phosphoric(V) acid according to the equation: 3NaOH + H3PO4 -> Na3PO4 + 3H2O 25.00 cm3 of 0.10 mol dm-3 sodium hydroxide reacts with 0.05 mol dm-3 H3PO4. The volume of H3PO4, in cm3, required for neutralisation is?


Please use the VSEPR theory to predict the shape of NH3 and the approximate bond angles


What orbital hybridisation?