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anonymous

  • one year ago

I need your help again guys

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  1. anonymous
    • one year ago
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    @Rushwr

  2. Rushwr
    • one year ago
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    @Shalante

  3. anonymous
    • one year ago
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    #1: The atomic number of an atom is equivalent to which of the following? A. the number of protons plus the number of neutrons in the nucleus B. the number of electrons outside the nucleus C. the number of protons in the nucleus D. the number of neutrons in the nucleus ***my answer: C is that right??

  4. Rushwr
    • one year ago
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    exactly

  5. Rushwr
    • one year ago
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    u are correct .

  6. anonymous
    • one year ago
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    #2: The mass number of an atom is equal to which of the following? A. the number of protons plus the number of neutrons in a nucleus B. the number of protons in a nucleus C. the number of protons plus the number of electrons in an atom D. the number of electrons circling the nucleus of an atom **My answer: A is that correct?

  7. Rushwr
    • one year ago
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    yeah correct

  8. anonymous
    • one year ago
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    2 years ago #3: A specific atom of molybdenum has an atomic number of 42 and a mass number of 96. How many protons are in this atom of molybdenum? A. 21 B. 42 C. 54 D. 96 **MY answer: B. 42

  9. anonymous
    • one year ago
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    #4: An atom of iridium has an atomic number of 77. There are 116 neutrons in the nucleus of a specific atom of iridium. What is the mass number of this atom of iridium? A. 77 B. 115 C. 193 D. 269 **MY answer:C

  10. anonymous
    • one year ago
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    2 years ago #5: An electrically neutral atom of manganese has an atomic number of 25. How many electrons does this atom have? A. 10 B. 25 C. 55 D. 80 ***My answer: B. 25

  11. anonymous
    • one year ago
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    #6: In any electrically neutral atom, what is true of the number of electrons? A. It is half the number of protons in the nucleus B. It is equal to the number of protons plus the number of neutrons. C. It is equal to the number of protons in the nucleus. D. It is equal to the number of neutrons in the nucleus. **MY answer: C.

  12. anonymous
    • one year ago
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    Thats it:) Thanks a ton again

  13. Rushwr
    • one year ago
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    all of your answers are correct. !!!!!

  14. anonymous
    • one year ago
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    Great!!! Thanks

  15. Rushwr
    • one year ago
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    Anytym :)

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