EASY
10th CBSE
IMPORTANT
Earn 100

The law on which modern periodic table is based on was proposed by
(a)D. I. Mendeleev
(b)Dobereincer
(c)H. G. Moseley
(d)Newlands

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Important Questions on Periodic Classification of Elements
EASY
10th CBSE
IMPORTANT
The least metallic element of group is

EASY
10th CBSE
IMPORTANT
Which of the following properties generally increases on moving from top to bottom?

EASY
10th CBSE
IMPORTANT
Which of the following statement is not correct about the trends when going from left to right across the periodic table?

EASY
10th CBSE
IMPORTANT
The law of octaves was proposed by

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10th CBSE
IMPORTANT
The number of periods in the long form of the periodic table is

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10th CBSE
IMPORTANT
Which of the following has the maximum non-metallic character?

MEDIUM
10th CBSE
IMPORTANT
Which of the following sets of elements do not belong to the same group?

EASY
10th CBSE
IMPORTANT
Which of the following has the lowest number of electrons in the valence shell?
