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Atomic Structure and Chemical Bonding — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYAtomic Structure and Chemical Bonding1 Mark
Question
What is an $α$ (alpha) particle?
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Answer

An α-particle is a doubly charged helium ion $(He^{2+})$ containing two protons and two neutrons. It is formed by removing two electrons from the helium atom.

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