Question

Compare and contrast the arrangements of elements in

Mendleev s periodic table and Mosley s modern periodic

table. (any five)​

Answer 1

Answer:

Mendeleev's table was nine tenths of the way there, but needed one important modification before it became the modern periodic table - the use of atomic number as the organizing principle for the periods. According to Moseley, similar properties recur periodically when elements are arranged according to increasing atomic number. Atomic numbers, not weights, determine the factor of chemical properties.

Explanation:

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