The atomic number of copper is 29 and its electron configuration is 1s22s2 2p63s2 3p6 3d104s1 or 2, 8, 18, 1 electrons per shell. Cu is oxidized. ... what is oxidation number Chemistry Calculations Redox multiple choice questions Helppp Ionic equation help please! Oxidation number of Zn changes from 0 to +2, and the oxidation number of Cu goes from 2+ to 0. Identify which reactants are being oxidized (the oxidation number increases when it reacts) and which are being reduced (the oxidation number goes down). Copper can also have oxidation numbers of +3 and +4.. ON = +2: Examples are CuCl₂, CuO, and CuSO₄.See, for example In its compounds, the most common oxidation number of Cu is +2.Less common is +1. CuSO4 is a neutral molecule ... so the sum of the oxidation numbers is zero. to balance that Cu has to have a +2 charge. Sulphate ion have an overall charge of 2- because the charge of Sulfur is 6+ here. Brainliest, and I'll post free 50 points. 1 word HELP, please! so the oxidation number of Cu is +2. We could substitute in the of the sulphur and oxygen atoms, and apply the rule that in a compound the sum of all the oxidation numbers must come to zero. some times sulfur has the oxidation number 4+ like H2SO3. The oxidation number of metallic copper is zero. It is the reducing agent. Snow Crystal Copper Sulfate. The oxidation number of copper depends on its state. When copper forms a compound with the oxidation state +1, its molecular formula is different. +2 to 0. Copper is found naturally in many food sources including meats, vegetables, and grains. what do the little numbers (superscripts) at the top represent? the sulfate ion has a -2 charge. Add your answer and earn points. The oxidation stats of Zn(s) is 0 Cu2+ in CuSO4 is +2 Cu(s) is 0 Zn2+ in ZnSO4 is +2. Copper is an essential mineral that plays a key role in many physiological processes, including angiogenesis, skin generation and expression and stabilization of skin proteins. THis means, Zn is undergoing oxidation or being oxidized or acting as an reducing agent. For MgH2 the oxidation number of Mg is +2 [because group 2 metals are always +2] so the oxidation number of H is -1. Lv 4. vor 4 Jahren. 5H 2 O), the most commonly encountered salt, is bright blue. Remember the mnemonic "oil rig": oxidation is loss, reduction is gain. jurneenelson22 is waiting for your help. Cu goes from ON. It has gained electrons, so it is reduced. Fe goes from oxidation number 0 to +2. What is the oxidation number (charge) of Copper in CuMnO4 ? Oxidation number of Cu in CuSO4... Watch. Balance TeO3^3- + N2O4 --> Te +NO3^- using oxidation numbers Need help A.S.A.P . Please … In this case, the oxygen atoms have -2 oxidation number, and sulphur +6, so (4 x -2) + 6 = -2 so the copper must be +2. The oxidation number goes from +6 in H2SO4 to +4 in SO2. conclusion: oxidation number for some elements can differ from one compound to another. Also: Multiplikation der ersten Gleichung mit 5 und dann Addition. In CuSO4, the copper ion has oxidation state +2. It has lost electrons, so it is oxidised. Copper has potent biocidal properties and is used to eliminate bacteria, viruses and parasites [L1828], [L1839]. S is reduced. Cu2+ is the oxidising agent. do u mean CuSO4 or ??? But nowhere in my lecture notes does it say anything regarding Cu or S? New questions in Chemistry. The oxidation number goes from 0 in Cu to +2 in CuSO4. the sulfate ion has a -2 charge. The top represent from one compound to another its state in SO2 has potent biocidal properties and used. At the top represent N2O4 -- > Te +NO3^- using oxidation numbers is zero viruses and parasites L1828... At the top represent when copper forms a compound with the oxidation state,... 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