🧲ap physics 2 review

Positron

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

A positron is the antiparticle or antimatter counterpart to an electron. It has the same mass as an electron but carries a positive charge.

AP course connection

Topic 7.2: 7.2 Radioactive Decay

Unit 7
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