Q. Who made periodic table by atomic mass

A
Dmitri mendeleev
B
moseley
C
Dobereiner
D
alexander mendeleev
Solution:

Father of Periodic tablePeriodic table was discovered by-
Dmitri Mendeleev

Father of Modern Periodic table-
Moseley

Periodic law was put forward by-
Dmitri Mendeleev

Modern Periodic law was put forward by-
Moseley

Atomic number of elements were discovered by-
Moseley

Periodic table of Mendeleev was based on increasing order of-
Atomic mass

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