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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-7 section-2

Each section contains 100 MCQs on Periodic Classification of elements .
61
The modern periodic table was discovered by
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Answer & Solution
Answer: Option D
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62
Electronegativity when moving from fluorine to chlorine, bromine and then iodine-
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Answer: Option A
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63
Atomic number of actinides . . . . . . . . is?
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Answer: Option A
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64
Mendeleev's Periodic Table in . . . . . . . . was published in a German magazine.
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Answer: Option D
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65
The elements A, B, C, D and E, whose atomic numbers are 2, 3, 7, 10 and 30 respectively, belong to the same period.
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Answer: Option B
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66
In the modern periodic table, . . . . . . . . and . . . . . . . . each of the periods has two metalloids-
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Answer: Option D
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67
Match List I with List II.
List-I List-II
a. Recently named by IUPAC 1. Fe
b. Variable valency 2. Ds
c. Maximum electronegativity 3. Cl
d. Maximum electron affinity 4. F
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Answer: Option D
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68
Which of the given statements is/are correct?
1. The elements of the second group are called alkali metals.
2. The elements of the first group are called alkaline soil metals.
3. Elements of the 17th group are called halogen.
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Answer: Option D
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69
Where would you find the element of electronic configuration 2, 8, 3 in the modern periodic table?
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Answer: Option C
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70
What is the first element of group 17 in the modern periodic table?
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Answer: Option B
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