Contribution Of Stanislao Cannizzaro
Italian ...
Credited With Showing Consistent Atomic Wei...
Contribution Of Mendeleev, Russian Chemist
Presented Periodic Table Of Elements Based On...
Contribution Of Mosley, English Physist
Used X-Ray To Study Atomic Structure. Reorg...
Mendeleev Arranged The PT According To Increa...
Atomic Weight/atomic Mass