Posted by **Kyle** on Monday, October 31, 2011 at 1:05pm.

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+

- Chemistry -
**DrBob222**, Monday, October 31, 2011 at 1:09pm
_{17}Cl = 1s2 2s2 2p6 3s2 3p6

Z = 17

S = 12

- Chemistry -
**Amanda**, Monday, October 31, 2011 at 3:46pm
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+

- Chemistry -
**thapelo**, Thursday, April 4, 2013 at 2:35pm
5.75,7.75

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