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The answer is 3.

Fe -> Fe3+ + 3e

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12y ago

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Related Questions

How many electrons has an atom of iron lost to become an Fe3 plus ion?

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How many unpaired electrons in (d) subshell in ferric Fe3?

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How many unpaired electrons are in Iron-III?

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What is the Formula for Ferric ion?

The formula for ferric ion is Fe3+. It is the ion form of iron when it has lost three electrons.


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The H+ ion has no electrons.


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How many electrons does a Co3 plus ion have?

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How many unpaired electrons are there in Fe3 plus ion?

There are 4 unpaired electrons in the ground state electron configuration of an Fe atom. These 4 unpaired electrons are in the 3d subshell.


What does Fe3- stand for on the periodic table?

Fe3- represents an ion of iron with a 3- charge. The symbol "Fe" refers to the element iron, and the superscript "-3" indicates that the ion carries a negative charge of 3. The 3- charge means that the ion has gained three electrons to achieve a stable configuration.


How many electrons are in an Mg2 plus ion?

An Mg2+ ion has lost two electrons, resulting in a total of 10 electrons. Magnesium normally has 12 electrons but when it forms a 2+ ion, it loses two electrons.


What ion has 24 protons and 21 electrons?

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What is Fe3 positive?

Fe3+ is the chemical symbol for iron (III) ion, which is a positively charged ion of iron. It means that the iron atom has lost three electrons, resulting in a charge of +3. Iron (III) ions are commonly found in compounds and minerals.