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How many neutrons are in the isotope?

A. 88
B. 220
C. 132

Sagot :

The number of neutrons in an isotope can be found by subtracting the atomic number (the number of protons) from the mass number (the sum of protons and neutrons).

Given:
- The atomic number [tex]\( A \)[/tex] is 88.
- The mass number [tex]\( B \)[/tex] is 220.

The number of neutrons [tex]\( C \)[/tex] can be calculated as:
[tex]\[ C = B - A \][/tex]

Substituting the given numbers:
[tex]\[ C = 220 - 88 \][/tex]

[tex]\[ C = 132 \][/tex]

Therefore, the number of neutrons in the isotope is 132.