Some statements are given below which is/are
correct
(A) when Mendeleev P.T, 63 elements
were known
(B) 3rd group of Mendeleev's PT
consists of maximum number of
elements
(C) Zero group was unknown when
Mendeleev P.T
(D) Every group of modern Mandeleev's
periodic table consisted two sub
groups a and B
Answers
Answered by
2
i didn't understand ur question, repeat it clearly
Answered by
0
Answer:
(a) (b) (c) (d) all are correct
Explanation:
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