Class 11ChemistryClassification of Elements and Periodicity in PropertiesExtended or long form of periodic table
DifficultAssuming that elements are formed to complete the $7^{th}$ period,what would be the atomic number of the alkaline earth metal of the $8^{th}$ period?
- A$113$
- B$120$
- C$119$
- D$106$
Explore More
Similar Questions
Element $E$ belongs to the period $4$ and group $16$ of the periodic table. The valence shell electron configuration of the element,which is just above $E$ in the group is $.....$
If an orbital could contain $3$ $e^-$,the total number of groups in the periodic table would be:
Medium
View SolutionIn the modern periodic table,which groups of elements are known as $d$-block elements?
Easy
View SolutionThe element with atomic number $36$ belongs to $\dots$ block in the periodic table.
Easy
View SolutionHow can the period,group,and block of an element be predicted?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo