What is the mass number

  1. 21H+ 21H→ 42H+energyWhich statement best describes the mass numbers of the atoms in the reaction? (1 point) Responses There is
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    2. the asked by the
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  2. Which situation indicates a beta emission?Question 5 options: The atomic number decreases by one, and the mass number decreases
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  3. Is there any effect in the mass of an atom if it becomes negatively charged?I know that atomic mass and mass number are two
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    2. Mr. Someone asked by Mr. Someone
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  4. A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the
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    2. Anoumous asked by Anoumous
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  5. A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the
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  6. A student wants to draw a model of an atom which statement describes how to find the number of neutrons to include in the model
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    2. Ama asked by Ama
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  7. A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the
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  8. A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the
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  9. A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the
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    2. Alana asked by Alana
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  10. Use the picture below to answer the questions. Some answers will be used more than once.* 6 points Captionless Image 1 3 6.94 4
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