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Chapter 22: Problem 2

List two chemical and two physical properties that distinguish a metal from a nonmetal.

Short Answer

Expert verified
Physical Properties: 1) Metals are good conductors of heat and electricity, non-metals are not. 2) Metals are malleable and can be hammered into thin sheets, non-metals cannot. Chemical Properties: 1) Metals react with oxygen to form metal oxides, non-metals form non-metal oxides. 2) During reactions, metals tend to lose electrons while non-metals tend to gain electrons.

Step by step solution

01

Identify characteristics of Metals

Metals exhibit a number of physical and chemical properties which include but are not limited to: high electrical and thermal conductivity, malleability, ductility, and reactivity with non-metals, particularly oxygen. Identify two of these key characteristics for later comparison.
02

Identify characteristics of Non-metals

Non-metals are elements that generally do not conduct heat or electricity very well, are not malleable or ductile, are often good insulators, and tend to gain electrons in chemical reactions. Identify two of these key characteristics for later comparison.
03

Compare Physical Properties

Choose two physical properties that clearly differentiate between metals and non-metal. For example: 1) Conductivity: Metals are good conductors of electricity and heat, while non-metals are not. 2) Malleability: Metals can be hammered into thin sheets, whereas non-metals can't.
04

Compare Chemical Properties

Choose two chemical properties that clearly differentiate between metals and non-metal. For example: 1) Reaction with Oxygen: Metals react with oxygen to form metal oxides, but non-metals react with oxygen to form non-metal oxides. 2) Electron Gain: Metals tend to lose electrons in reactions, while non-metals gain electrons.

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