Question

Example 1.1
How many protons and neutrons are there in an atom having A = 238 and Z = 92.​

Answer 1

Answer:

Write the symbol for this isotope. 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.

Answer 2

Explanation:

The atomic number of uranium is 92 the mass number of isotope is given as 238. Therefore,it has 92 protones ,92 electrons and 238_92 :146 neutrons

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