Arrange the following elements in order from lowest to highest first ionization energy : AI , Ar, Cs, Na .

Chemistry

2 answers:

denis-greek [22]3 years ago

6 0

Answer:francium

The first ionization energy varies in a predictable way across the periodic table. The ionization energy decreases from top to bottom in groups, and increases from left to right across a period. Thus, helium has the largest first ionization energy, while francium has one of the lowest.

Explanation:

dimaraw [331]3 years ago

6 0

Answer:

Cs, Na, Al, Ar

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