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Subjects
Science CBSE
Class 10
Periodic classification of elements
Classical and modern periodic classification of elements
10.
Select the correct option about Mendeleev table
Exercise condition:
4
m.
Choose the correct short answers:
1.
The modern periodic table has been divided into how many blocks?
Four blocks
Six blocks
Five blocks
2.
Dobereiner's classification elements were based on what?
Atomic number
Atomic mass
Atomic mole
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