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en.wikipedia.org/wiki/List_of_oxidation_states_of_the_elements

This is a list of known oxidation states of the chemical elements, excluding nonintegral values. ... 11, sodium, −1, Na, +1+1+1, 1. 12, magnesium, Mg, +1, +2 +2, 2.

chemed.chem.purdue.edu/genchem/topicreview/bp/ch2/oxnumb.html

The oxidation number of simple ions is equal to the charge on the ion. The oxidation number of sodium in the Na+ ion is +1, for example, and the oxidation ...

www.quora.com/What-is-the-oxidation-number-of-sodium

Sodium exhibits only the +1 oxidation state in compound formation. This highly electropositive and reactive metal usually forms ionic compounds in +1 state ...

www.wikihow.com/Find-Oxidation-Numbers

However, in sodium hydride, NaH, hydrogen has an oxidation number of -1 because the Na ion has a charge of +1 and, for the compound's total charge to equal ...

socratic.org/questions/what-is-the-oxidation-number-of-sodium-na-in-pure-sodium-na

Jul 9, 2016 ... In sodium metal, the oxidation number is 0. Elements are "zerovalent". Redox reaction are conceived to involve the transfer of electrons.

www.khanacademy.org/science/chemistry/chemical-reactions-stoichiome/types-of-chemical-reactions/a/oxidation-number

Oxidation numbers don't always correspond to real charges on molecules, and we can calculate oxidation numbers for atoms that are involved in covalent (as ...

www.chemguide.co.uk/inorganic/redox/oxidnstates.html

Metal hydrides include compounds like sodium hydride, NaH. In this, the hydrogen is present as a hydride ion, H-. The oxidation state of a simple ion like hydride ...

chemistry.tutorvista.com/inorganic-chemistry/oxidation-number.html

The oxidation number of a mono atomic ion is the same as the charge on the ion. Therefore in NaCl the oxidation number assigned to sodium is +1, and the ...

www.quia.com/jg/476236list.html

A, B. oxidation number of an element is, zero. Oxidation number of sodium in sodium compounds is always, +1. Oxidation number of potasium in ptassium ...

chemistry.stackexchange.com/questions/16711/oxidation-state-of-oxygen-in-na2o2

Oxygen can take multiple oxidation states. This particular compound is sodium peroxide. You're right that usually oxygen has a charge of -2, ...