Concept explainers
(a)
Interpretation:
The molecular formula and the non-oxygen atom of each oxide (which forms out of second and third row elements:
Concept introduction:
Oxygen forms many oxides with groups of
(b)
Interpretation:
Electron-dot structures of each oxide should be drawn and the availability of resonance structures for any of the oxides should be determined.
Concept introduction:
Electron-dot structures are used to represent a molecule’s bonding (by lines) and lone electrons that do not participate in bonding (by dots). For some molecules, there are several valid electron-dot structures which are known as ‘resonance’ structures.
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CHEMISTRY-TEXT
- Alkaline earth metals are involved in two key diagonal rela-tionships in the periodic table. (a) Give the two pairs of elementsin these diagonal relationships. (b) For each pair, cite two simi-larities that demonstrate the relationship. (c) Why are the mem-bers of each pair so similar in behavior?arrow_forwardAs described in Section 7.7, the alkali metals react withhydrogen to form hydrides and react with halogens to formhalides. Compare the roles of hydrogen and halogens inthese reactions. Write balanced equations for the reaction offluorine with calcium and for the reaction of hydrogen withcalcium. (b) What is the oxidation number and electronconfiguration of calcium in each product?arrow_forwardWrite balanced equations for the following reactions: a. The decomposition of dinitrogen oxide gas to its elements. b. The combustion of butane gas.arrow_forward
- Why is beryllium carbonate unusually unstable thermally as compared to the other carbonates of this group?arrow_forwardDiiodine pentaoxide (I₂O₅) was discovered by JosephGay-Lussac in 1813, but its structure was unknown until 1970!Like Cl₂O₇, it can be prepared by the dehydration-condensationof the corresponding oxoacid.(a) Name the precursor oxoacid, write a reaction for formation ofthe oxide, and draw a likely Lewis structure.(b) Data show that the bonds to the terminal O are shorter than the bonds to the bridging O. Why?(c) I₂O₅ is one of the few chemicals that can oxidize CO rapidly and completely; elemental iodine forms in the process. Write abalanced equation for this reaction.arrow_forwardthe properties, reactions and applications of oxygen 1. explain the classification of oxides as basic, acid, amphoteric and neutral. how can we predict whether an oxide will be acidic or basic based on its composition.arrow_forward
- Consider the following three statements about the reactivityof an alkali metal M with oxygen gas:(i) Based on their positions in the periodic table, the expectedproduct is the ionic oxide M2O.(ii) Some of the alkali metals produce metal peroxides or metalsuperoxides when they react with oxygen.(iii) When dissolved in water, an alkali metal oxide produces abasic solution.Which of the statements (i), (ii), and (iii) is or are true?(a) Only one of the statements is true.(b) Statements (i) and (ii) are true.(c) Statements (i) and (iii) are true.(d) Statements (ii) and (iii) are true.(e) All three statements are true.arrow_forwardAn element forms an oxide, E₂O₃, and a fluoride, EF₃.(a) Of which two groups might E be a member?(b) How does the group to which E belongs affect the propertiesof the oxide and the fluoride?arrow_forwardHow many grams of oxygen gas are necessary to react completely with 3.011021 atoms of magnesium to yield magnesium oxide?arrow_forward
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