Fill in the numbers to interpret the isotope symbols. 92u238 has protons, neutrons, and electrons. 86rn222 has protons, neutrons, and electrons.

92U238 has 92 protons, 146 neutrons, and 92 electrons.

86Rn222 has 86 protons, 136 neutrons, and 86 electrons.

Explanation:

The atomic number of a chemical element is the total number of protons that each atom of that element has. It is usually represented with the letter Z.

If the atom is neutral the amount of electrons is equal to the amount of protons. Therefore the amount of electrons is equal to Z.

The atomic mass of a isotope is the total number of protons and neutrons at the nucleus of the atom. It is usually represented with the letter A.

So, the total number of neutrons is equal to n⁰=A-Z

The isotope 92U238 has A=238 and Z=92, then:

n⁰=A-Z

n⁰=238-92=146

It has 92 protons, 146 neutrons, and 92 electrons.

The isotope 86Rn222 has A=222 and Z=86, then:

n⁰=A-Z

n⁰=222-86=136

It has 86 protons, 136 neutrons, and 86 electrons.

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2b2t

explanation:

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