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Atoms of solid iron would not have lost electrons to any other element. They are shared with the de-localized electron cloud but the oxidation state is 0. That being the case, there would be no charge. It is a free element. (No joke, a free element has no charge.)
If iron were to form a compound it would typically lose two or three electrons to the anion.
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Why some elements have variable valencies?
Certain elements combine with other atoms, donating, accepting or sharing electrons in different proportions depending on the nature of the reaction. For example, iron combines with oxygen to form ferrous oxide as well as ferric oxide. In the formation of ferrous oxide, iron exhibits a valency of +2, whereas in ferric oxide, it has a valency of +3. This is termed variable valency
What is a feres metal?
Ferrous relates to iron content and the valency of a metal. To be ferrous means that the metal has +2 electrons in its outermost shell.
What is the valency for plumbic?
+4 valency
What is valency of dichromate?
Its valency is -2 Its chemical formula is Cr2O7
What is the valency of bromide ion?
The valency of bromide ion (Br-) is -1.
Why does a chemical sometimes have a roman numeral after the word?
This indicates the valency of the element... for eg:- iron(II) this means that iron has the valency of two in this particular reaction.... but iron also do have the valency three... To create a difference between the iron of valency two... and iron of valency three.. they write the roman numeral..
What valency is iron on the periodic table?
Iron has two electrons in the outa shell meaning that it has a valency of +2 Lewis is awes!!!
What is valency iron?
Iron has variable valence. It can be either 2 or 3.
How do you find the valency of each element in Fe3O4?
This is an especially complicated valency problem, because Fe3O4 is a combination of Fe2O3 and FeO. As usual, except in peroxides and superoxides, oxygen is assigned a valency of -2. This means that the iron in Fe2O3 has a valency of +3 while the iron in FeO has a valency of +2. (Note that these two oxides of iron also occur separately from each other, as well as in Fe3O4.) Therefore, the average valency of iron in Fe3O4 is 8/3, a rare example of fractional valency made possible only by the fact that iron in this compound actually exists in two integral valence states in the same compound.
What is the valency of FeCl3?
In iron trichloride the valence of iron is +3 and the valence of chlorine -1.
What is mean by valency?
Variable valencies are the valencies which can change e.g. Fe (iron) can either have the valency of 2 (Fe II) or 3 (Fe III)
When do you use roman numerals in an element?
we usually use roman numerals in writing names of compounds of transitional elements which have more than one valency . for example we have two compounds of iron chloride , iron(II)chloride and iron(III)chloride depending on the valency of iron in each compound.
Why some elements have variable valencies?
Certain elements combine with other atoms, donating, accepting or sharing electrons in different proportions depending on the nature of the reaction. For example, iron combines with oxygen to form ferrous oxide as well as ferric oxide. In the formation of ferrous oxide, iron exhibits a valency of +2, whereas in ferric oxide, it has a valency of +3. This is termed variable valency
What do you mean by variable valency?
Variable valencies are the valencies which can change e.g. Fe (iron) can either have the valency of 2 (Fe II) or 3 (Fe III)
What do the roman numeral in a chemical formula mean?
They refer to the valency of the metal in the compound, such as Iron II or Iron III chloride.
What is the valency iron in Fe3o4?
Itron has both 2 and 3 valencies int his compound
What is the valency of Fe in Fe2O3?
iron is in the III oxidation state
