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Consider the atom with the chemical symbol Ru.
What would be the mass number for an atom of Ru which has 53
neutrons?

Sagot :

Answer: 97

Explanation:

The element Ru is Ruthenium which has 44 protons.

In this case, our atom is an isotope with 53 neutrons.

With this information, we can use the mass number formula to find this atom's mass number.

mass number = protons + neutrons

mass number = 44 protons + 53 neutrons

mass number = 97