3 years ago

Which element has the highest first ionization energy?

Chemistry

1 answer:

Greeley [361]3 years ago

3 0

Answer:

Helium

Explanation: The ionization energy decreases from the top to bottom in groups. And increases from left to the right across a period. Therefor Helium has tge largest first ionization energy, while francium has one of the lowest.

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