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Consider Group 5A elements: nitrogen, phosphorus, and arsenic. These elements show an increase in their atomic numbers. Which element has the highest ionization energy?

Respuesta :

daniel987
its nitrogen as its outer electron is closer to the nucleus so there will be a stronger electrostatic attraction between it and its nucleus 

hope that helps

Answer: Nitrogen has the highest ionization energy.

Explanation:

Ionization energy is defined as the amount of energy required to remove an electron from an isolated gaseous atom.

[tex]X(g)\rightarrow X^+(g)+e^-[/tex]

In a periodic table, ionization energy increases as we go from left to right in a period and decreases when we go down in a group.

Group 5A elements are Nitrogen, phosphorous, arsenic, Antimony and Bismuth.

So, the order of ionization energy in the group will be:

[tex]N>P>As>Sb>Bi[/tex]

Hence, the nitrogen has the highest ionization energy.

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