Question

differentiate metal and non metal​

Answer 1

Answer:

heya..

Non Metal- Nonmetals have properties opposite those of the metals. The nonmetals are brittle, not malleable or ductile, poor conductors of both heat and electricity, and tend to gain electrons in chemical reactions

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Answer 2

Explanation:

Metals

Most elements are metals. This includes the alkali metals, alkaline earth metals, transition metals, lanthanides, and actinides. On the periodic table, metals are separated from nonmetals by a zig-zag line stepping through carbon, phosphorus, selenium, iodine, and radon. These elements and those to the right of them are nonmetals. Elements just to the left of the line may be termed metalloids or semimetals and have properties intermediate between those of the metals and nonmetals. The physical and chemical properties of the metals and nonmetals may be used to tell them apart.

Metal Physical Properties:

Lustrous (shiny)

Good conductors of heat and electricity

High melting point

High density (heavy for their size)

Malleable (can be hammered)

Ductile (can be drawn into wires)

Usually solid at room temperature (an exception is mercury)

Opaque as a thin sheet (can't see through metals)

Metals are sonorous or make a bell-like sound when struck

Metal Chemical Properties:

Have 1-3 electrons in the outer shell of each metal atom and lose electrons readily

Corrode easily (e.g., damaged by oxidation such as tarnish or rust)

Lose electrons easily

Form oxides that are basic

Fave lower electronegativities

Are good reducing agents

Nonmetals

Nonmetals, with the exception of hydrogen, are located on the right side of the periodic table. Elements that are nonmetals are hydrogen, carbon, nitrogen, phosphorus, oxygen, sulfur, selenium, all of the halogens, and the noble gases.

Nonmetal Physical Properties:

Not lustrous (dull appearance)

Poor conductors of heat and electricity

Nonductile solids

Brittle solids

May be solids, liquids or gases at room temperature

Transparent as a thin sheet

Nonmetals are not sonorous

Nonmetal Chemical Properties:

Usually have 4-8 electrons in their outer shell

Readily gain or share valence electrons

Form oxides that are acidic

Have higher electronegativities

Are good oxidizing agents

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