The Element Iron (Fe)occurs Naturally as Four Isotopes

question 40

Multiple Choice

The element iron (Fe) occurs naturally as four isotopes.Each of these isotopes has

• A)26 protons.
• B)26 electrons.
• C)a different number of neutrons.
• D)all of the above

---

Definitions:

Sequence of Reagents

The ordered list of chemical substances (reagents) used in a multi-step chemical synthesis, detailing the progression of reactions.

Transformation

A thorough or dramatic change in form or appearance, often referring to the alteration of a substance's structure in chemical reactions.

M-cresol

An organic compound, a type of methylphenol, where the methyl group is positioned meta to the hydroxyl group on a benzene ring.

M-toluidine

An organic compound, specifically a derivative of toluene, with a methylene group (-CH3) attached to the benzene ring at the meta position relative to an amino group.