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.
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Similar Questions
The element with the lowest atomic number that has a ground state electronic configuration of $(n - 1)d^6 ns^2$ is located in the
Medium
View SolutionMatch the following:
List-$I$ (Symbol of element) List-$II$ (Group number) $A$. $Mc$ $I$. $16$ $B$. $Lv$ $II$. $17$ $C$. $Fl$ $III$. $15$ $D$. $Ts$ $IV$. $14$
The correct answer is:
| List-$I$ (Symbol of element) | List-$II$ (Group number) |
|---|---|
| $A$. $Mc$ | $I$. $16$ |
| $B$. $Lv$ | $II$. $17$ |
| $C$. $Fl$ | $III$. $15$ |
| $D$. $Ts$ | $IV$. $14$ |
The correct answer is:
DifficultAP EAMCET 2024
View SolutionThe element with atomic number $12$ belongs to ......... group and ......... period.
Discuss the position of $He$ and $H$ in the periodic table.
Difficult
View SolutionHow many elements are possible in the first period?
Easy
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