Easy
In the Modern Periodic Table,which are the metals among the first ten elements?
- ALithium $(Li)$ and Beryllium $(Be)$
- BBoron $(B)$ and Carbon $(C)$
- CNitrogen $(N)$ and Oxygen $(O)$
- DFluorine $(F)$ and Neon $(Ne)$
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What property do all elements in the same column of the Periodic Table as boron have in common?
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View SolutionNitrogen (atomic number $7$) and phosphorus (atomic number $15$) belong to group $15$ of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?
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Group $16$ Group $17$ - - - $A$ - - $B$ $C$
$(a)$ Will $C$ be larger or smaller in size than $B$?
$(b)$ Which type of ion,cation or anion,will be formed by element $A$?
| Group $16$ | Group $17$ |
|---|---|
| - | - |
| - | $A$ |
| - | - |
| $B$ | $C$ |
$(a)$ Will $C$ be larger or smaller in size than $B$?
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