Periodic Classification Of Elements - Study Mode
[#226] In the modern periodic table, which of the following periods has the highest number of non-metals?
Correct Answer
(C) 2
[#227] Whose name is associated with the modern periodic table?
Correct Answer
(D) M.J. Moseley
[#228] The classification of elements by which of the following leads to the discovery of new elements?
Correct Answer
(C) Mendeleev
[#229] What effect is observed, on the size of an atom when an electron is removed and in another case an electron is added to the same atom?
Correct Answer
(B) Size decreases and increases respectively
[#230] In the periodic table, as one goes down the group, which property doesn't change?
Correct Answer
(B) Valency