s-Block ElementsHard
Question
Which is not s-block element ?
Options
A.[Ar]4s23d104p6 5s1
B.1s2 2s22p1
C.[He] 2s22p63s1
D.None of these
Solution
The block of an element depends on the type of sub-shell which receives the last electron. As last electron enters in p-subshell of outer most shell according to Aufbau rule, the element of option (B) belongs to p-block.
Create a free account to view solution
View Solution FreeMore s-Block Elements Questions
The pairs of compound which cannot exist together in aqueous solution are :...Setting of plaster of paris involves :...Which is/are not correct configuration of s-block elements :...The more commonly used baking powder contains about 30% NaHCO3, 20% NaAl(SO4)2 10% Ca(H2PO4)2 and 40% starch. Which of t...Sodium on heating with moist air produces...