In long form of periodic table, second period is the shortest period.
Therefore, the given statement is
“In the long form of the periodic table, the second period is the shortest period” is False.
What does a period signify in a peroidic table?
how do 6th period in modern peroidic table has 32 elements?
An element X with atomic no.=22 belongs to the 4th period of peroidic table. How many no. of shells present in element X and why??