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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-3 section-3

Each section contains 100 MCQs on Periodic Classification of elements .
21
Who designed the modern periodic table, according to which "the physical and chemical properties of elements are the periodic functions of their atomic numbers".
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Answer & Solution
Answer: Option A
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22
Modern Periodic Table . . . . . . . . based on:
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Answer & Solution
Answer: Option B
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23
. . . . . . . . the element has the lowest ionization energy?
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Answer & Solution
Answer: Option C
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24
Who discovered that the properties of every eighth element are the same as the first element?
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Answer & Solution
Answer: Option A
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25
Who invented the periodic table?
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Answer & Solution
Answer: Option A
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26
The following are special characteristics of a group of elements?
1. All these elements are metals
2. All these elements react with water to form hydrogen gas.
3. All these elements have a valence (1)
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Answer & Solution
Answer: Option B
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27
Multiplication of equivalent weight and valency of an element is equal to . . . . . . . .
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Answer & Solution
Answer: Option C
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28
Who is credited with classifying elements on the basis of their atomic mass?
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Answer & Solution
Answer: Option A
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29
Which of the following statements is true/false?
1. While moving from left to right in a period, the chemical reaction of the elements first decreases and then increases.
2. Reactivity of non metals increases when moving down the group of the periodic table.
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Answer & Solution
Answer: Option A
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30
Which of the following elements could not find a definite position in Mendeleev's periodic table?
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Answer & Solution
Answer: Option D
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