How many electrons are contained in 238/92 U nucleus?
(a) 92
(b) 146
(c) 238
(d) o
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0
Answer:
The atomic number of uranium (see periodic table) is 92, and the mass number of the isotope is given as 238. Therefore, it has 92 protons, 92 electrons, and 238 — 92 : 146 neutrons. Its symbol is U23892 (or 238U).
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3
Answer:
(a) 92 electrons are contained in 238/92 U nucleus.
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