Chemistry, 12.11.2019 03:31 isabelvaldez123

The first ie of neon (atomic number 10) is significantly higher than that of argon (atomic number 18) but significantly
lower than the first ionization energy of helium (atomic number 2), despite all 3 elements being in the same group.

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The first ie of neon (atomic number 10) is significantly higher than that of argon (atomic number 18...