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what is the relationship between melting point and atomic radius

by Guest7191  |  12 years, 11 month(s) ago

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what is the relationship between melting point and atomic radius

 Tags: atomic, Melting, radius, relationship

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  1. salim
    Melting point trends of atoms is very complex and can not be correlated to
    atomic radius alone.

    REASONS:
    There are several reasons for this.

    (1) Across a periodic table row (where atoms become smaller as you go from left to right), the type of interatomic bonding changes from the relatively weak metallic bonds to that of network covalent bonds and then to weak diatomic molecule interactions - thus, because the type of bonding changes, the melting points can not be directly related.

    (2) Down a periodic table group (where atomic radii get larger and one might expect similar intermolecular interactions) the complications happen when access to the d-orbitals are involved and the shielding effect of electrons change. So really, the only group that can be trended is that of the alkali metals and the network covalent group of C (we can not even trend the alkaline earth metals) where as the atoms get larger, the melting points get smaller and this can be related to the inter-nuclei distances, and the compactness of the crystal lattice.

  2. Guest1045
    As you go down the group 1 alkali metals in the periodic table the atomic radius increases their melting point decreases.[ The increase in radius results in much decreased attractive forces between atoms] [4].
  3. Guest8729
    'Oink Oink' ???????????????/
    IDIOT!!!!!!
  4. Guest6061
    I feel empathy for you i'm trying to do this question for an exam. It's to difficult and their are not enough resources, and then their's the pain of people posting stupid things that won'y help you at all.
  5. Guest2213
    dk##kkl;'jl;'#'jkllklllkk
  6. Guest1146
    ali metals in the periodic table the atomic radius increases their melting point decreases.[ The increase in radius results in much decreased attractive forces between atoms] [4].
  7. Guest7756
    penial
  8. Guest4691

    Fareeha you are retarded in many phsical ways. Also you have no testicular foritude.

  9. Guest2014

    Honestly Guys,


    You should not be using these kind of websites, because i'm only 16 and i don't know but i could say something and it be wrong, so i won't.

  10. Guest5074

    i hate life right niw but s*x anyway


     

  11. Guest8828

    hola.

  12. Guest319

    yo me name norbit i rep me hood wid me mandem and mi b***h. we roll like da budda.

  13. Guest597

    ahh hola norbit! that is ay very interesting name you have there. where you from me little cocka doodle doo? :)

  14. Guest988

    me, i roll wid me mandem reppin yorkshire. you from spain or summit sinyourita?!

  15. Guest6841

    oh and fareeha, much love me breadwin. stick up for your self kid!

  16. Guest8015

    ahh yes fareeha be free my love. And Norbit, no no me not from spain, i'm from Jamaica but i am hoping to move to Spain soon soon, so i'm practicing me spanish my friend. Ooooo Yorkshire, i was born there!

  17. Guest9642

    good ayih. me breds are all ea so uno. me two dads av gone to africa so im living at me ova dads atm. its abit borin as all his mates round all da time and day baang like all da time. sometimes me like get in dere dad ova's im like get out mi ouse. i got me b***h doe so im like safe man,

  18. Guest659

    ahh thats tha spirit mate, my names gamu by tha way, have you evere been to Jamaica?

  19. Guest7941

    DA ONE OFF XFACTOR!!!?????

    and nah kid cant afford it lyke

  20. Guest7009

    no no Norbit! why does every way that like man, i do know her though, well actually, dont tell anyone but shes my sister, my moter really likes the name so she called both of us Gamu. Even my cousin is called Gamu! Personlay i think it is rather confusing but thats my family! have you any brothers man. and why so many  faters me pal?

  21. Guest4198

     say that* my mistake me lover 

  22. Guest7056

    why so many fathers?

    well me nan married me grandad and gave birth to et and then me dad came along on an accident, and then he grew up became a man slag so he had to move out of the country he was in and he then found a professer who took him back in time in a car, he was in the movie 'back to the future'. then he went back to the roman tmes and became g*y as everyone was back then and then he went back to the time he was originally in and then ran round the local g*y bar with a net and now i have lots of daddies, you get me gamu?

  23. Guest171

    ah yes Norbit tha sounds well complicated but dery interesting :) so how old are you me pickled onion? nomnomnomnomonmomnomnomnomnom.

  24. Guest4747

    7 you? me big toe, nomnomnomnomnomnomnomnomnomnom.

  25. Guest5173

    LOL

  26. Guest2383

    7! gosh you are a youngster just a wee child! for a 7 year old your writing skills are amazing, "ked". i am am 98 to the day. Ohhhh you like toes two! i bit both of mine off, i love love love me toes! still shame i havent got any toes now, just stumps :/ it was worth it though. mmmm toes nomnom!

  27. Guest9344

    awww kid love toes mann.

    yo gamu? send me a pic bbe?

  28. Guest6308

    YOOOOOOOOOOOOOOOO!


    my names sidhu, i come from Indoa, i heard you talking and i thaught i'd join in, i love toes too!


    You both seem like badmans, lmao, maybe you should come to India and come chill with me and my possieeeeeee, i mean, we smoke the bare reeefa everyday, should come and jam with us(:


    speak soon :)

  29. Guest2526

    yes bud. i will get me dad to fly me hes a piolet like.


    i dont know why you smoke weeds though?:S


    dandilions are only nice in the drink://////

  30. Guest6659

    yo babes, truss me, i iz fo'shizzle shure smokeing da feefaa is bare good 4 yha imusne system n da shizz ayih bruv.


    yhu shuld c*m shmoke it wid me 1 of da dayzz, il come yhur yard from me endz ennit, mytee be a fat trek buh f*k tha shizzle stanii.


    il fne yha blud, peace.

  31. Guest1949

    wouldnt wanna walk the distance with a bad toe i tell ya that now kid.


    buh yeh wud be gud kid. me c*m wif me mandem yes? and maybe me b***h, but dno shes a dickhead sumtyme doe. we''l be on dat frosty jacks hype and dat bredwin, yesss bwoiiiiiiiiiiiiiiiiiii;)

  32. Guest1290

    nhaaaaaaa tway frosti jaks kid, that stuff is well mang, and yeah il bring my b***h to kid, shes well secxii. shes got da well nice big toe, kid il chop hers off and give it you of yha want bredwin, standard.


    and yeah how much isit for booze round your endz kid, because india ayh got da much muney kidz, we iz going banklrupted hme'D. i might need to ledz da few pundz ov yha. i'l giv it bakz kid.


    howz yhu anf yhur B****h then sun?

  33. Guest5536

    yh kid. ay got dat much me self doe tbh kid. opened me piggie bank and found me nan, we waz playin hide nd seek when i was likkle and i forgot to feed her kid:S


    me and me b***h am good ked, shes called me julie.


    yours ked?

  34. Guest6936

    na by B****h is a house wyfe kid, names mohammed, her familys too pur to affurd mur dan 1 namez blud, geh me?

  35. Guest8483

    get ya kid,

    me dad sez yur sxc + he wnts a pic?

  36. Guest8171

    k blud email me.


    sidhu_123@indialive.com

  37. Guest8403

    FAGGOTS!!!!!

  38. Guest418

    Helloo...

  39. Guest9535

    ahh hello my pickle its me gamu, sorry i havnt been able to reply lately, ive been to africa riding the elephants, amazing. i see we have a new guest- hola sidhu! and oooo i like faggots too! nomnom

  40. Guest2136

     


    Yoooo, kid whaa happent to emailing me Nd s**z kherd.


    need to speek me wurdz Nd da bruv.

    speek suune sun,l stani.

  41. Guest3364

    you sir are a chipilarta.

  42. Guest8472

    YOOOOOOOOOOOOOOOOOOOOOOOOOOOOO gamu!

    you alright don, whatsa gwarn down yhur endz blud?

  43. Guest3089

    i like to move it move it...

  44. Guest579

    you have to be silent, wait who's talking, oh thats me:/

  45. Guest5144

    sidhu it is all brilliant thank you, i been plantin me pinapples in me new greenhouse man. how are you sidhu? (it ryhmes!) :-)

  46. Guest3284

    howeewwww


    im shancie thong from china . howeeeew you do ???

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