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Periodic Classification of elements MCQ question and answer with solution | Chemistry Gk MCQs

Learn Periodic Classification of elements MCQ Questions and answers with easy and logical explanations in Chemistry Gk . Periodic Classification of elements MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-2 section-2

Each section contains 100 MCQs on Periodic Classification of elements .
11
According to Newlands' law of octaves, 'iron', which resembles . . . . . . . . and . . . . . . . . in properties, is kept far away from these elements-
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Answer: Option A
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12
In the fourth period of the periodic table . . . . . . . . elements are present?
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Answer: Option D
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13
The atomic number of lanthanum is?
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Answer: Option D
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14
Similar in elements of the same group in the modern periodic table have same . . . . . . . .
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Answer: Option D
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15
The second group of elements is called?
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Answer: Option C
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16
Which of the following is not a noble gas?
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Answer: Option B
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17
The volume of which atom is the lowest.
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Answer: Option B
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18
Which of the following radii reflect an increase in size of an atom?
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Answer: Option A
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19
According to Mendeleev's Periodic Law, elements were arranged on the basis of . . . . . . . . in the periodic table?
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Answer: Option D
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20
Groups of modern periodic table . . . . . . . . contains only 7 elements.
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Answer: Option D
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