Periodic Classification Of Elements - Study Mode
[#241] Which groups of the modern periodic table consists of a full-covering valence electron and chemically inert elements?
Correct Answer
(C) 18
[#242] Which of the following always increase while moving from top to bottom in a group?
Correct Answer
(A) Metallic properties
[#243] The Law of Triad was given by
Correct Answer
(D) J.W. Dobereiner
[#244] Name the Noble gas placed in the third period and eighteen group of modern periodic table-
Correct Answer
(D) argon
[#245] . . . . . . . . is not an actinoid?
Correct Answer
(C) Terbium