2016年4月13日 · ZnO "Group 16" oxygen commonly forms an O^(2-) anion; "Group 12" zinc commonly forms a Zn^(2+) cation. A 1:1 binary salt assures electrical neutrality.

2018年1月24日 · Zinc metal is oxidized to zinc ion.... Zn(s) rarr Zn^(2+)+2e^(-) (i) And dioxygen is REDUCED to oxide anion... 1/2O_2(g) + 2e^(-) rarrO^(2-) (ii) And to give the final redox …

This makes the formula for calcium chloride, #CaCl_2#. For the example Aluminum Oxide #Al_2O_3# Aluminum has an oxidation state of +3 or Al+3 Oxygen has an oxidation state of -2 …

2016年6月17日 · ZnBr_2 The zinc ion will have a charge of +2 and the bromide ion has a charge of -1 because it is a halogen. Combining the ions in a 1:2 ratio produces a compound which is …

2017年1月26日 · ZnCO_3 The zinc ion has a charge of 2+ The carbonate ion has a charge of 2- So if we take one of each the charges are in balance: Zn^(2+)CO_3^(2-)or ZnCO_3

2017年1月2日 · How do you write and balance the chemical equation that relates to this word equation: Solid zinc carbonate is heated and broken down into solid zinc oxide and carbon …

2017年5月27日 · "An acid base reaction....." The which we could represent as..... ZnO(s) + H_2SO_4(aq) rarr ZnSO_4(aq) + H_2O(l).....

2016年12月19日 · ZnO_2 With all these problems, we assume that there are 100*g of unknown compound, and then we proceed to calculate the empirical formula: "Moles of zinc" = …

2017年11月19日 · Zn + 2H_2O -> Zn(OH)_2 + H_2 To get this chemical equation, all you have to do is reference the question because it already gives you all of the compounds you need. To …

2018年1月20日 · An "oxide", a "compound"....? Oxygen reacts with almost anything. Certainly it reacts with a fairly reactive metal such as zinc...