(A) Si (X)
(B) As (X)
(C) Te (X)
(D) None of the above ()
Answers: Which of the elements do not fall in stair case of the modern periodic table None of the above.
(A) Si (X)
(B) As (X)
(C) Te (X)
(D) None of the above ()
Answers: Which of the elements do not fall in stair case of the modern periodic table None of the above.
TodayMCQs