| 1. | Additionally, nuclear isomers are known for mass numbers 251, 253, and 254.
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| 2. | The isotopes of _ range in mass number from _ to _.
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| 3. | Al-Qaida clearly had no qualms about killing mass numbers of innocent Americans.
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| 4. | When you kill mass numbers of people, you are sentenced to death.
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| 5. | The isotopes of silicon range in mass number from 22 to 44.
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| 6. | Sections for the same element are then ordered by atomic mass number.
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| 7. | The isotopes of plutonium range in mass number from 228 to 247.
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| 8. | The Americans do their best, eliminating mass numbers of the enemy.
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| 9. | It was all about teamwork, and we put it out in mass numbers,
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| 10. | Isotopes of californium with mass numbers 237 256 are formed in nuclear reactors;
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