chapter 3 metals and non metals

3
METALS & NON- METALS; As we know atoms are pure substance made up of the same kind of atoms. METALS Meta!s are pure e!ements found inside the earth crust. "#$S%AL "'O"E'T%ES O( METALS Meta!s are )enera!!* are +er* hard as we!! as ,uite dense. This means that particu!ar

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7/25/2019 Chapter 3 Metals and Non Metals

http://slidepdf.com/reader/full/chapter-3-metals-and-non-metals 1/3

METALS & NON-METALS;

As we know atoms are pure

substance made up of the

same kind of atoms.

METALS

Meta!s are pure e!ements

found inside the earth crust."#$S%AL "'O"E'T%ES O(

METALS

Meta!s are )enera!!* are +er*

hard as we!! as ,uite dense.This means that particu!ar

7/25/2019 Chapter 3 Metals and Non Metals

http://slidepdf.com/reader/full/chapter-3-metals-and-non-metals 2/3

meta! are +er* c!ose!*

packed.

Some of the properties are

)i+en be!ow

  Meta!!ic !uster!ustre means shine or

bri)htness of meta!.

Some of meta! !ike )o!d

si!+er used as ornamentsbecause of their !ustre ./. wh* meta!s are

!ustres0ANS. when !i)ht fa!!s on

the surface of meta! the

atoms present in it

7/25/2019 Chapter 3 Metals and Non Metals

http://slidepdf.com/reader/full/chapter-3-metals-and-non-metals 3/3

absorb photon1!i)ht2 as

ener)*. The* )et e3ited

and start +ibratin). These

+ibratin) e!ectrons

re!ease ener)* as !i)ht.

Therefore meta! surface

shines.