Hey there! Sign in to join this conversationNew here? Join for free
    • Thread Starter
    Offline

    4
    ReputationRep:
    any one want help in chemistry ask me?
    Posted on the TSR App. Download from Apple or Google Play
    Offline

    17
    ReputationRep:
    In Sc, which fills first, the 3d or 4s sub-shell?
    • Thread Starter
    Offline

    4
    ReputationRep:
    4s is first due to it's lower energy than 3d
    Posted on the TSR App. Download from Apple or Google Play
    • Thread Starter
    Offline

    4
    ReputationRep:
    4s
    Posted on the TSR App. Download from Apple or Google Play
    Offline

    17
    ReputationRep:
    (Original post by Mohamed tahoon)
    4s is first due to it's lower energy than 3d
    In that case, why does IE1 involve the loss of the 4s electron first?

    Why would a lower energy electron be lost before a higher energy one?
    • Thread Starter
    Offline

    4
    ReputationRep:
    word is not arranged ....could we chat in massenger?
    Posted on the TSR App. Download from Apple or Google Play
 
 
 
  • See more of what you like on The Student Room

    You can personalise what you see on TSR. Tell us a little about yourself to get started.

  • Poll
    Will you be richer or poorer than your parents?
  • See more of what you like on The Student Room

    You can personalise what you see on TSR. Tell us a little about yourself to get started.

  • The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

    Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

    Quick reply
    Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.