e%o*,*%e

e@GewMme@e

***, *,%*?

@ G@

e%o *

@

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©50

©,

oo

© @ie

©5 e

ionic bonding

electron transferred from Na to Cl

@ @

++ ++

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eo Pe @

@ if @ + tee electron

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)

metallic bonding

ions surrounded by free electrons

shared —_———

13206.

—?o fo

*Oo+0-

covalent bonding

atoms share electrons

electrical attraction

molecular bonding

weak electrical attraction binds molecules

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