Question 19

The $$1^{st}, 2^{nd}$$ and the $$3^{rd}$$ ionization enthalpies, $$I_1, I_2$$ and $$I_3$$, of four atoms with atomic numbers ๐‘›, ๐‘› + 1, ๐‘› + 2, and ๐‘› + 3 , where ๐‘› < 10, are tabulated below. What is the value of ๐‘›?


Correct Answer: e


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