What is the formula of the ionic compound formed by the elements lithium and oxygen?
2 answers:
<u>Answer:</u> The chemical formula for the compound of lithium and oxygen will be
<u>Explanation:</u>
Ionic bond is defined as the bond which is formed when complete transfer of electrons takes place from one atom to another atom.
Lithium is the 3rd element of the periodic table with electronic configuration of
This element looses 1 electron and shows an oxidation state of +1.
Oxygen is the 8th element of the periodic table with electronic configuration
This element will gain 2 electrons and shows an oxidation state of -2.
By criss-cross method, the oxidation state of oxygen becomes the coefficient of lithium and that of lithium becomes of oxygen.
Hence, the chemical formula for the compound obtained by the combination of lithium and oxygen is
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Answer:
A.
Explanation:
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In this case, for us to figure out the appropriate equilibrium expression, it will be firstly necessary for us to recall the law of conservation of mass which states that the equilibrium constant of an equilibrium chemical reaction is written by dividing the products and reactants and including the stoichiometric coefficients as exponents. In such a way, for the given reaction, we will have:
As N2O is the product whereas N2 and O2 are reactants; thus, the equilibrium expression will be A.
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