Turn on thread page Beta
    • Thread Starter
    Offline

    17
    ReputationRep:
    Explain the elements with the atomic numbers 85 and 55?

    And

    Give definitions for the terms atomic number and mass number?


    I’ve already finished these questions but can anyone give me an in-site on what to write to get me a distinction please
    Posted on the TSR App. Download from Apple or Google Play
    Offline

    9
    ReputationRep:
    This post about the fundamentals of atomic structure includes definitions of atomic number and mass number.
 
 
 
Poll
“Yanny” or “Laurel”

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

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