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Answered

How do I give the protons, electrons, and neutrons for an isotopes.

for example: Iodine-127

Iodine-126

Iodine-128

please if you know help me not to answer it but also to understand it.

Verified Answer :

taskmasters

For an isotope of a certain element, only the number of neutrons are changed, the number of protons stays the same because if you change the proton it would mean that it is a different element already. The number of neutrons is calculated from the number shown in the isotopes. That number represents the total protons and neutrons.

Iodine-127 : protons = 53, neutrons = 74
Iodine-126 : protons = 53, neutrons = 73
Iodine-128 : protons = 53, neutrons = 75


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