Q216
Consider the following statements, 1. In Mendeleef's periodic table, position of the isotopes was not fixed. 2. In the 19th century, Mendeleef propounded periodic law is based on atomic mass. Which of the above statement(s) is/are correct?
A.
Only 1
B.
Only 2
C.
Both 1 and 2
AnswerD.
Neither of them
Answer: Option C
Solution
Answer: Option C
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