Science · Chemistry
Which of the following is NOT a limitation of Mendeleev's periodic table?
- 1Some elements with higher atomic mass were placed before elements with lower atomic mass.
- 2Elements with similar properties were placed in different groups.✓
- 3No fixed position could be assigned to isotopes.
- 4Hydrogen was placed with alkali metals and halogens due to its resemblance to both.
Correct answer
Elements with similar properties were placed in different groups.
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