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Physics · Radioactivity

What is the approximate mass of an alpha (α) particle?

Verified Solution4 OptionsUpdated: October 2026

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10 kg
21.6 × 10⁻¹⁹ kg
36.6 × 10⁻²⁷ kg✓
49.1 × 10⁻³¹ kg

Correct answer

6.6 × 10⁻²⁷ kg

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