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If the atomic number of an element remains the same but the number of neutrons has been increased, which factor has been changed in that element?



the number of electrons


the chemical symbol


the number of protons


the mass number

Verified Answer :

MissPhiladelphia

I think the correct answer from the choice listed above is the last option. If the atomic number of an element remains the same but the number of neutrons has been increased, then the mass number has been changed. The atomic number is also known as the proton number, and if that changes then the name of the element would also change. 

Answer:


The correct answer is the last option: the mass number

Explanation:

Hello! Let's solve this!


If the atomic number is the same, it means that the number of protons does not change.

The mass number is the sum of neutrons plus protons. So if the neutrons have increased, the mass number will also increase.


We conclude that the correct answer is the last option: the mass number

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