Q278
Which of the following statements is/are false regarding modern periodic table? 1. Elements in the modern periodic table are arranged in decreasing order of their atomic numbers. 2. Elements in the modern periodic table are arranged in increasing order of their atomic masses. 3. In the modern periodic table, isotopes are placed in adjacent groups. 4. Elements in modern periodic table are arranged in increasing order of their atomic numbers.
A.
only 1
B.
only 4
C.
1, 2 and 4
D.
1, 2 and 3
AnswerAnswer: Option D
Solution
Answer: Option D
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