Chapter 5 Ainul

7/24/2019 Chapter 5 Ainul

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CHAPTER 5: CHEMICALCHAPTER 5: CHEMICAL

BONDBOND

http://bank-soalan.blogspot.com


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Transferring electron Sharingelectron


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STABILITY OF NOBLE GASSES

STABLE because the outermost shell are full,either u!let or octet

Noble Gas cannot onate electron to form !ositi"eion

Noble Gas cannot recei"e electron to form negati"eion

Noble gases are i#cult to form com!ounsbecause it i#cult to form !ositi"e ions an

negati"e ions$%"e an "e ions are re&uire to form ionic

com!oun$


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BON+

Noble gasses ha"e stable octetu!let electronarrangement(onoatomic gas)hemicall- reacti"e

Atoms of other elements tens to be achie"e

stable electron arrangement through theformation of chemical bonsTransfer of electron .ionic bon/Sharing of electron . co"alent bon/

Anion atom acce!ts electron to form "e ion0ation atom onates electron to form %"e ion


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IONI) BON+

(etal atoms donate

electronNon metal atoms accept

electron

Transferof electronBet1een atoms of metalan

non-metal


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IONI) BON+

ORMATION O ION!Atom onates electron forme cation

Atom acce!ts electron forme anion$

C"ar#epart$cle %$on&


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FO'(ATION OF )ATION

2.8.3 2.8Aluminium atom, Al Aluminium ion, Al+3

Charge of 13 protons = +13

Charge of 13 electron = -13

Total Charge =00

Charge of 13 protons = +13Charge of 13 electron = -10

Total Charge =+13+13

Al Al3++ 3e-


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FO'(ATION OF ANION

2.8.7 2.8.8

Charge of 13 protons =Charge of 13 electron =

Total Charge =

Charge of 13 protons =Charge of 13 electron =

Total Charge =

Cl + e- Cl-


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FO'(ATION OFNa)l

Soium atom, 2$3$4 donates oneelectron to achie"e the sta'le octetelectron arran#ement, Na%

This electron transferred to c"lor$neatom1ith an electron arrangement 2$3$5to forme )l6

Na%an )l6forme an attract to one

another b- electrostat$c forces to form$on$c 'ondNa)l forme an $on$c compo(nd


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)O7ALENT BON+

ormed )"en non-metalatoms s"are electrons toac"$e*e sta'le electron

arran#ement

Incl(de: !$n#le 'ond+

do('le 'ond+ andtr$ple 'ond,


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Bon

A !air of electron is sharebet1een t1o atoms$


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Bon

T1o !airs of electrons are sharebet1een t1o atoms

Le)$s !tr(ct(re s"o)s onl t"e*alence electron of t"e atoms

$n*ol*$n# $n t"e 'ond$n#,


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Bon

Three !airs of electrons are sharebet1een t1o atom


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Compar$son 'et)een $on$cand co*alent 'ond

CO.ALENTBOND

IONIC BOND

!TATE AT

ROOM TEMP,

Li&ui or

gaseous

Soli

!HAPE +e8nite sha!e *as noe8nite sha!e

MELTIN/ 0

BOILIN/POINT

Lo1 *igh

E1AMPLE (ethane

.)*9/, *-ro

Soium

chlorie


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CO.ALENT BOND IONIC BOND

OCC2R!

BET3EEN

T1o non6metals One metal an

one non6metalORMATION

ha"e similarelectronegati"ities$Neither atom is

:strong: enough toattract electronsfrom the other$ Forstabili;ation, the-

share theirelectrons fromouter molecularorbit 1ith others

Non6metals.6"eion/ are:stronger: than

the metal.%"eion/ an canget electrons"er- easil-

from the metal$These t1oo!!osite ionsattract eachother an form


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T*E EN+

Chapter 5 Ainul

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