Chemistry · Challenge

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Periodic patternsRunning
Atom builder. Shielding constant at 1.6 . Effective + shielding 7.7 e, Nuclear charge 16 e. Currently effective + shielding is short by 8.3 e.TUNINGNUCLEUS1.6
t = 0.0s

Effective + shielding

7.7e

Nuclear charge

16e

1.6

Atom builder. Shielding constant at 1.6 . Effective + shielding 7.7 e, Nuclear charge 16 e. Currently effective + shielding is short by 8.3 e.

What has to balanceZeff=Z−SZ_{eff} = Z - S

What is happening

You take control of a trends worksheet that keeps predicting the wrong atomic radius.

The model predicts the wrong pull on sulfur’s outer electrons. It has 16 protons, they feel an effective pull of 6.1, and the shielding value is wrong.