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A fictional element has two isotopes, each making up 50% of the population. Isotope 1 has a mass of 95.0 amu, Isotope 2 has a mass of 93.0 amu. Calculate the atomic mass of the fictional element.

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  1. `A fictional element has two isotopes, each making up 50% of the population. Isotope 1 has a mass of 95.0 amu, Isotope 2 has a mass of 93.0 amu. Calculate the atomic mass of the fictional element.
  2. `Which of the following elements, if they form an ion, would have a 1- charge?Which of the following elements, if they form an ion, would have a +2 charge?
  3. `In Mg-26, how many electrons would there be?
  4. `Which of the following concerning atoms is FALSE?
  5. `Of the pairs of names and symbols below, which is incorrect?
  6. Which of the following is the proper name for H2CO3?
  7. `How would you correctly classify C?
  8. `What would be the proper way to write ammonium sulfate in formula form?
  9. `In the formula Ca3(PO4)2, how many phosphorus atoms are there?
  10. `What would be the proper name of a compound whose formula is NaO?
  11. `Give the A) Element Symbol, B) Atomic Number, C) Number of Protons, D) Number of Neutrons, (E) Mass Number, and (F) total Number of Electrons for: He–2 and Francium-228
  12. `Give the A) Element Symbol, B) Atomic Number, C) Number of Protons, D) Number of Neutrons, (E) Mass Number, and (F) total Number of Electrons for: Cesium–135 and Selenium-81

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