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The charge. Cations and anions have an oxidation number equal to their charge, for example in Fe2+, Fe hasan oxidation number of +2 and in S2- S has an oxidation number of -2. Uncharged atoms have zero oxidation number.

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What is a monatomic ion has an oxidation number?

A monatomic ion is an ion consisting of a single atom with a positive or negative charge. The oxidation number of a monatomic ion is equal to the charge of the ion.


How does the oxidation number of a monatomic ion compare to its charge?

The oxidation number of a monatomic ion equals its charge. For example, the oxidation number of a sodium ion (Na+) is +1, which matches its charge of +1.


Oxidation number of a monatomic ion?

It is equal to the charge. Oxidation number depends on charge.


What is The charge of a monatomic ion called?

Oxidation Number


Is the charge of a monatomic ion its oxidation number?

Yes. it is


What is the oxidation number of a monatomic ion equal to?

In most cases it is the value of its charge, but not always.


Is oxidation number shown with a subscript?

No: An oxidation number, if shown at all in a chemical formula, is shown with a superscript. The oxidation number is usually shown only for monatomic ions.


What are the rules to assign oxidation numbers?

In a pure element, the oxidation number is zero. In a monatomic ion, the oxidation number is equal to the charge of the ion. Oxygen is typically assigned an oxidation number of -2, unless in a peroxide where it is -1. Hydrogen is typically assigned an oxidation number of +1 when bonded to nonmetals and -1 when bonded to metals. The sum of the oxidation numbers in a neutral compound is zero, and in a polyatomic ion it is equal to the charge of the ion.


What is the oxidation number of MgO?

The O in oxides always has oxidation number -2 (except for in peroxides where it is -1). Since the overall species has oxidation number 0, Mg must also have oxidation number +2.


When a species in a chemical reaction loses electrons The oxidation number increases?

Yes, when a species loses electrons in a chemical reaction, its oxidation number increases. This is because oxidation number is a measure of the electron loss or gain for an atom in a compound. Losing electrons results in a more positive oxidation number.


The oxidation number of an atom is shown with a negative number?

No, the oxidation number of an atom is typically shown as a positive or negative number (or zero) that represents the charge it would have in a compound or ion. Positive oxidation numbers indicate loss of electrons, while negative oxidation numbers indicate gain of electrons.


What are the key principles to consider when determining oxidation numbers, as outlined in the oxidation number rules chart?

When determining oxidation numbers, consider the following key principles from the oxidation number rules chart: The oxidation number of an element in its elemental form is 0. The oxidation number of a monatomic ion is equal to its charge. In compounds, the sum of oxidation numbers must equal the overall charge of the compound. Hydrogen has an oxidation number of 1 in most compounds, except in metal hydrides where it is -1. Oxygen typically has an oxidation number of -2 in compounds, except in peroxides where it is -1. Group 1 metals have an oxidation number of 1, and Group 2 metals have an oxidation number of 2. Fluorine always has an oxidation number of -1 in compounds. Remember these principles when determining oxidation numbers.