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Gaokao Chemistry Practice Question

下列有关放射性核素氚 $\left({ }_{1}^{3} \mathrm{H}\right)$ 的表述不正确的是

  1. A.${ }_{1}^{3} \mathrm{H}$ 原子核外电子数为 1
  2. B.${ }_{1}^{3} \mathrm{H}$ 原子核内中子数为 3
  3. C.${ }_{1}^{3} \mathrm{H}_{2}$ 与 $\mathrm{H}_{2}$ 化学性质基本相同
  4. D.${ }_{1}^{3} \mathrm{H}_{2} \mathrm{O}$ 具有放射性

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