Which ionization process requires the most energy?
a. S(g) S+(g) + e-
b. S+(g) S2+(g) + e-
c. Cl(g) Cl+(g) + e-
d. Cl+(g) Cl2+(g) + e-
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Ответ:
208 g/mol and 87 g/mol
Explanation:
Number of protons = 82
Atomic mass = 126 + 82 = 208 g/mol
For ^{87}Sr
Number of neutrons = 49
Number of protons = 38
Atomic Mass = 49 + 38 = 87 g/mol