why can thesodium be easily cut with knife but iron has to be cut with a metal or something way harder?

Question

rane · Answer

@aayushi.somani

anonymous · Answer

because of their lattice structures...

rane · Answer

more detailed pls

anonymous · Answer

do you know about lattice structures?

rane · Answer

yes
ik wht it is but since the both metals are metallic bonding 
do their lattice structure differ?

aayushi.somani · Answer

http://in.answers.yahoo.com/question/index?qid=20090831065645AANJzhN all the possible answers are here..!!

anonymous · Answer

if no i got another explanation for that sodium has got 1 valence electron so their metallic bonds are not strong while Fe has more and is of valence variable state so its metallic bond is strong

aayushi.somani · Answer

thats the 1st answer on yahoo ans..!! @divu.mkr ..the link i shared

anonymous · Answer

and i started typing before you posted link...

aayushi.somani · Answer

soo ur slow then @divu.mkr ..!! lol

anonymous · Answer

less than copy and paste dear :P @aayushi.somani

aayushi.somani · Answer

whatever..!! atleast i searched for it.!!! i was bit too lazy to type so just linked..!lol @divu.mkr

anonymous · Answer

then i guess my typing speed is pretty much good :P @aayushi.somani

aayushi.somani · Answer

noo i got a better speed then u..!! @divu.mkr

anonymous · Answer

proove it!! @aayushi.somani

aayushi.somani · Answer

how??/ @divu.mkr

anonymous · Answer

http://play.typeracer.com/?rt=trdivumkr @aayushi.somani