chemistry

Use Equation 7.1 and assuming that core electrons contribute 1.00 and valence electrons contribute nothing to the screening constant, S, calculate Zeff} for these two ions. Express your answers as integers. Enter your answers numerically separated by a comma.

Equation 7.1: Zeff=Z-S

Zeff Cl-, Zeff K+

asked by Amanda
  1. Cl- => Atomic number 17 - 10 (Core electrons from [Ne] = 7

    K+ => Atomic Number 19 - 18 (Core electrons fom [Ar] = 1

    posted by John

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