Class 11ChemistryClassification of Elements and Periodicity in PropertiesExtended or long form of periodic table
EasyWhich of the following statements is incorrect?
- AIn Mendeleev's periodic table,third period elements are bridge elements.
- BIn the long form of the periodic table,the total number of groups is $18$.
- CIn the modern periodic table,$III$ $B$ is the $13^{th}$ group.
- DAll of the above are incorrect.
Explore More
Similar Questions
Where is helium placed in the periodic table and why?
Easy
View SolutionExplain the electronic configuration of periods in the periodic table.
Medium
View SolutionHow many blocks are there in the modern extended periodic table,and what are they?
Easy
View SolutionThe elements with atomic numbers $Z=117$ and $Z=120$ have not yet been discovered. In which family or group would you place these elements,and what would be their expected electronic configuration?
Easy
View SolutionIn terms of period and group,where would you locate the element with $Z = 114$?
Medium
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