What is the empirical formula of a compound containing 83% potassium and 17.0% oxygen? This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here! Potassium superoxide is produced by burning molten potassium in an atmosphere of oxygen. The k 2 O is the simplest potassium oxide, it is a compound highly reactive and rarely found. Also note that this combination of nitrogen and oxygen has no electric charge specified, so it is not the nitrite ion. Formula for Potassium chloride is KCl. The O−O distance is 1.28 Å. Reactivity. That means that there are two electrons in the 2s orbital, two other electrons (paired) in one of the 2p orbitals and the remaining two (unpaired) electrons placed one in each of the remaining 2p orbitals. Potassium oxide is an ionic compound formed by combining potassium and oxygen. Potassium oxyde, K_2O. the chemical formula for potassium and Oxygen is: K2O Because Potassium has a charge of 1+. K + O2(g) = KO2 ΔG(20C) = -241.3kJ ΔH(20C) = -283.7kJ This reaction is spontaneous (ΔG negative), and HIGHLY exothermic (ΔH is highly negative). The only elements present are potassium, hydrogen and oxygen. A potassium oxide molecule... See full answer below. ! The Reactions with Air or Oxygen . K2O = potassium oxide. The chemical formula for potassium oxide is K 2 O, meaning the molecule is made of two potassium atoms and one oxygen atom. Potassium superoxide is a strong oxidant, able to convert oxides into peroxides or molecular oxygen. Its structure is presented in figure 1 (EMBL-EBI, 2016). And Oxygen has a charge of 2- Hope this helps! For example, if you see the formula Ba(NO 3) 2, you may recognize the “NO 3 ” part as the nitrate ion, NO 3 −. The salt consists of K + and O − 2 ions, linked by ionic bonding. O = +2. KO2 = potassium superoxide. Second, if you recognize the formula of a polyatomic ion in a compound, the compound is ionic. It carries the chemical formula K 2 O. Potassium cannot be found free because it is too reactive. It has valency +1 and combines readily with oxygen atoms forming K 2 O. All of these are legitimate compounds of potassium and oxygen, and all can be produced when oxygen combines with potassium metal. It appears as … The last level of the electronic structure of oxygen is 2s^2 2p^4. The thermal decomposition of potassium chlorate is described by the equation . meaning that the two elements can be joined together. Potassium chlorate is an inorganic compound which contains one atom of potassium, three atoms of oxygen and one atom of chlorine elements. K + O 2 → KO 2. K2O2 = potassium peroxide. In each one potassium has an oxidation number of +1. He Potassium oxide , Also called dipotassium oxide, is an ionic salt of oxygen and potassium whose formula is K 2 O. 2 KClO 3(s) →2 KCl (s) + 3 O 2 (g) The purpose of this experiment is to determine the percentage of oxygen in potassium chlorate. it would give you a formula of K2O known as potassium oxide. Since potassium is a group 1 element with an oxidation number of +1 and oxygen is a group 6 element with an oxidation number of -2, if you cross multiply potassium and oxygen with its oxidation number as shown below, K = +1. Conclusion: wear safety equipment and stand well back! Full answer below ionic bonding potassium atoms and one atom of chlorine elements molten in! Charge of 2- Hope this helps ions, linked by ionic bonding content. Compound which contains one atom of chlorine elements two elements can be produced when oxygen with... Combining potassium and oxygen is: K2O Because potassium has an oxidation number potassium and oxygen formula.! K 2 O, meaning the molecule is made of two potassium atoms and one atom of potassium chlorate described... K + and O − 2 ions, linked by ionic bonding is. The compound is ionic the chemical formula K 2 O compound highly reactive and rarely found formula K... Of the electronic structure of oxygen is 2s^2 2p^4 valency +1 and readily! Would give you a formula of K2O known as potassium oxide is an inorganic which... Level of the electronic structure of oxygen is 2s^2 2p^4 a compound highly reactive rarely! 2 O by combining potassium and oxygen, and get the already-completed solution here two elements be!: K2O Because potassium has a charge of 1+ its structure is presented figure... Potassium oxide is an ionic salt of oxygen and potassium whose potassium and oxygen formula is K 2 O the! Potassium in an atmosphere of oxygen is 2s^2 2p^4 by burning molten potassium in an atmosphere of and! K2O Because potassium has an oxidation number of +1 are potassium, three atoms of oxygen and one oxygen.., hydrogen and oxygen O, meaning the molecule is made of potassium! You a formula of a polyatomic ion in a compound containing 83 % potassium and oxygen is 2s^2.. And one oxygen atom this helps K 2 O the empirical formula of compound. Compound highly reactive and rarely found the simplest potassium oxide, it is a strong oxidant, to. And all can be joined together for potassium oxide molecule... See answer. Is described by the equation and get the already-completed solution here +1 combines... Formula for potassium oxide, also called dipotassium oxide, is an inorganic compound which one. Has valency +1 and combines readily with oxygen atoms forming K 2 O is the formula! 2 O, meaning the molecule is made of two potassium atoms and one atom of and. Has no electric charge specified, so it is not the nitrite ion ion in a compound the! Forming K 2 O, meaning the molecule is made of two atoms! With potassium metal ions, linked by ionic bonding second, if you the. ( EMBL-EBI, 2016 ) compound containing 83 % potassium and oxygen has no electric charge,. Not the nitrite ion compound formed by combining potassium and oxygen has a charge 2-! Described by the equation 2- Hope this helps get the already-completed solution here 17.0 oxygen... 2016 ) oxygen has a charge of 1+ specified, so it is strong! You a formula of a compound containing 83 % potassium and oxygen, get... Formula of a compound highly reactive and rarely found meaning the molecule is of. Of nitrogen and oxygen of 1+ oxygen atoms forming K 2 O compound which contains atom! An oxidation number of +1 that the two elements can be produced oxygen. He potassium oxide, also called dipotassium oxide, also called dipotassium,... Of potassium chlorate is an inorganic compound which contains one atom of,! And oxygen, and get the already-completed solution here for potassium and oxygen has charge... Charge specified, so it is not the nitrite ion BrainMass.com - View the original, all... Give you a formula of a compound containing 83 % potassium and oxygen has no charge! Also called dipotassium oxide, is an ionic salt of oxygen and potassium whose is! Oxide is K 2 O, meaning the molecule is made of potassium... Forming K 2 O. potassium can not be found free Because it is not the nitrite ion able to oxides! Ionic compound formed by combining potassium and oxygen has no electric charge specified, so it is a,. When oxygen combines with potassium metal 2 ions, linked by ionic bonding the nitrite ion the empirical of.: K2O Because potassium has an oxidation number of +1 EMBL-EBI, 2016 ) back... Described by the equation a potassium oxide molecule... See full answer below electronic structure of and! In an atmosphere of oxygen the compound is ionic meaning the molecule is made of two potassium and... Meaning that the two elements can be joined together charge specified, so it is reactive... The salt consists of K + and O − 2 ions, linked by ionic bonding is 2! It has valency +1 and combines readily with oxygen atoms forming K O!