Question
The electronic configuration of the atom of an element X is 2, 8, 4. In modern periodic table, the element X is places in :
(a) 2nd group
(b) 4th group
(c) 14th group
(d) 8th group
Solution
(c) 14th group
Group number = 10 + 4
= 14
Hence, the element X is placed in the 14th group.
Is there an error in this question or solution?
Solution The Electronic Configuration of the Atom of an Element X is 2, 8, 4. in Modern Periodic Table, the Element X is Places in : (A) 2nd Group (B) 4th Group (C) 14th Group (D) 8th Group Concept: Position of Elements and Trends in the Modern Periodic Table.