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NEETChemistryClassification of Elements and Periodicity in Properties

How does the first ionization enthalpy change as you go across a period in the periodic table?

Options

  1. AIt decreases.
  2. BIt remains constant.
  3. CIt increases.
  4. DIt fluctuates randomly.

Correct answer

C. It increases.

Step-by-step solution

The first ionization enthalpy generally increases as you go across a period in the periodic table.

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