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worty [1.4K]
3 years ago
12

How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 125 contain?

Chemistry
1 answer:
kherson [118]3 years ago
5 0
The number of protons in an atom is equal the atomic number (= 50)

The sum of the Neutrons and Protons is the Atomic Mass (=125)
Neutrons + Protons=125

Plug in for the protons (50)
Neutrons +(50)=125

Then, once solved, we have Neutrons = 75

Assuming the atom is NOT an ion, the amount of electrons is equal to the number of protons. (protons=electrons=50=50)

Therefore:
There are 50 electrons, 50 protons, and 75 electrons.

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