Question

The following are some statements about Mendaleev's periodic table
i) It is based on increasing order of atomic numbers.
ii) Mendeleef corrected the atomic weight of some elements like Be, In etc
iii) (Ar; H,), (Co; C1,), (Te; F,) are three inverted pairs
iv) It is based on increasing order of atomic weights
Select one
only (iv) is correct
b.
(ii) &(iv) correct
only (iii) correct
d.
only (i) correct​

Answer 1

Answer:

iv) it is based on increasing order of atomic numbers