Concept explainers
Interpretation:
Differences between metals and non-metals has to be explained by its two chemical and physical properties.
Concept introduction:
Metals: It is an element which has the following properties: solids at room temperature except mercury, hard in solid state, good conductors of both heat and electricity, ductility, high density, malleability, high melting and boiling point, tendency to form basic oxides by reacting with oxygen, tendency to form positive ion when they looses the electron and get shiny by polishing.
Nonmetals: It is an element or substance but not metal, they have the following properties: they may exist as solid, liquid or gas at room temperature, easily breakable, bad conductors of both heat and electricity, melting and boiling points are low, when they react with oxygen they will form acidic oxides, tendency to form negative ions when they looses electron except hydrogen, which forms positive ion, compare to metals, nonmetals will look dull in nature.
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Chapter 22 Solutions
Chemistry
- The following reactions are all similar to those of the industrial chemicals. Complete and balance the equations for these reactions: (a) reaction of a weak base and a strong acid. NH3+HClO4 (b) preparation of a soluble silver salt for silver plating. Ag2CO3+HNO3 (c) preparation of strontium hydroxide by electrolysis of a solution of strontium chloride SrCl2(aq)+H2O(l)electrolysisarrow_forwardWhy is it possible for an active metal like aluminum to be useful as a structural metal?arrow_forwardWrite balanced equations for the reaction of scandium metal to produce the scandium(III) salt with the following nonmetals: (a) sulfur (c) nitrogen (b) chlorine (d) oxygen (forming the oxide)arrow_forward
- Write 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_forwardIron is the most abundant transition element in nature. Identify common chemical and physical properties of this element.arrow_forwardWrite balanced chemical equations for the following reactions: (a) cadmium burned in air. (b) elemental cadmium added to a solution of hydrochloric acid. (c) cadmium hydroxide added to a solution of acetic acid, CH3CO2Harrow_forward
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