Concept explainers
(a)
Interpretation:
Among the given pair,
Concept introduction:
On moving down the group, Metallic character of any metals increases so definitely Ionic character of any metal oxide increases.
(b)
Interpretation:
Among the given pair,
Concept introduction:
On moving down the group, Metallic character of any metals increases so definitely Ionic character of any metal oxide increases.
When we move from left to right non-metallic character increases.
(c)
Interpretation:
Among the given pair,
Concept introduction:
On moving down the group, Metallic character of any metals increases so definitely Ionic character of any metal oxide increases.
When we move from left to right non-metallic character increases.
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General Chemistry: Atoms First
- Sodium hypochlorite is produced by the electrolysis of cold sodium chloride solution. How long must a cell operate to produce 1.500103 L of 5.00% NaClO by mass if the cell current is 2.00103 A? Assume that the density of the solution is 1.00 g/cm3.arrow_forwardSilicon carbide, SiC, has the three-dimensional structureshown in the figure.(a) Name another compound that has the same structure.(b) Would you expect the bonding in SiC to be predominantlyionic, metallic, or covalent? (c) How do the bondingand structure of SiC lead to its high thermal stability(to 2700 °C) and exceptional hardness?arrow_forwardWrite the equation for the reaction of:(a) Iron with steam(b) Calcium with water(c) Potassium with waterarrow_forward
- Write balanced chemical equations for the following reactions:(a) sodium oxide added to water(b) cesium carbonate added to an excess of an aqueous solution of HF(c) aluminum oxide added to an aqueous solution of HClO4(d) a solution of sodium carbonate added to solution of barium nitrate(e) titanium metal produced from the reaction of titanium tetrachloride with elemental sodiumarrow_forwardWrite balanced chemical equations for the following reactions:(a) metallic aluminum burned in air(b) elemental aluminum heated in an atmosphere of chlorine(c) aluminum heated in hydrogen bromide gas(d) aluminum hydroxide added to a solution of nitric acidarrow_forward(a) (i) (ii) (iii) With the aid of a simple schematic, explain what covalent bonding is and how it is formed. What are the differences between a covalent bond and an ionic bond? Which type of bond is found in crystalline silicon? At room temperature do you expect an ionic crystal to be a good electrical conductor or a good electrical insulator? Explain why.arrow_forward
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- Write a balanced ionic equation for the reaction of Fe²+, Fe³+, and OH to form magnetite, Fe3O4(S) H₂O may enter into the equationarrow_forwardGive the name and symbol or formula of a Group 7A(17)element or compound that fits each description or use:(a) Used in etching glass(b) Naturally occurring source (ore) of fluorine(c) Oxide used in bleaching paper pulp and textiles(d) Weakest hydrohalic acid(e) Compound used to prevent goiter (thyroid disorder)(f) Element that is produced in the largest quantity(g) Organic chloride used to make plasticsarrow_forwardWhich of the following statements are true?(a) Both nitrogen and phosphorus can form a pentafluoridecompound.(b) Although CO is a well-known compound, SiO does notexist under ordinary conditions.(c) Cl2 is easier to oxidize than I2.(d) At room temperature, the stable form of oxygen is O2,whereas that of sulfur is S8.arrow_forward
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