Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
The reduction in the effective nuclear charge experienced by an electron due to repulsion from inner electrons; explains variations in atomic properties across the periodic table.
AP course connection
Topic 1.5: 1.5 Atomic Structure and Electron Configuration