which of the following atomic species has maximum ionization energy oxygen sulphur Selenium
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Answer:
oxygen has maximum I E than S & Se as it is much closer to nucleus.
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Oxygen atom has the maximum ionization energy.
Explanation:
Ionization energy is defined as the energy required to remove the most loosely bound electron from a neutral gaseous atom.
When we move across a period from left to right then there occurs a decrease in atomic size of the atoms. Therefore, ionization energy increases along a period but decreases along a group.
For example, oxygen, sulphur, and selenium are all group 16 elements where oxygen atom is the smallest in size and selenium is biggest out of these three.
Hence, oxygen atom has the maximum ionization energy.
Learn more about ionization energy:
https://brainly.in/question/8224381
https://brainly.in/question/8844275
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