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ChemistryChemistry
6 December, 04:53

Which of the following elements has the first ionization energy?

A. Stronium (Sr)

B. Oxygen (O)

C. Phosphorous (P)

D. Scandium (Sc)

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Answers (1)
  1. 6 December, 08:45
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    Among these elements the strontium (Sr) has lowest first ionization energy.

    Explanation:

    The first ionization energy is the energy required to remove one mole of the most loosely held electrons from one mole of gaseous atoms to produce 1 mole of gaseous ions each with a charge of 1+.

    The first of two main methods which scientists use to calculate the ionization energy is the Subtraction Method.
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Home » Chemistry » Which of the following elements has the first ionization energy? A. Stronium (Sr) B. Oxygen (O) C. Phosphorous (P) D. Scandium (Sc)
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