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Atomic structure

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Question 37

Iron has an atomic number of 26. A sample of iron contains a mixture of two isotopes, $54Fe^{54}\text{Fe}$ and $56Fe^{56}\text{Fe}$ .

Which of the following is a subatomic particle count shared by all $Fe2+\text{Fe}^{2+}$ ions in this sample?

$26$ neutrons

$24$ protons

$24$ electrons

$28$ electrons

Atomic structure Questions

GCSE
Chemistry
Atomic structure