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Periodic Classification of Elements
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The position of three elements $A$, $B$ and $C$ in the Periodic Table are shown below
| Group $16$ | Group $17$ |
| - | - |
| - | $A$ |
| - | - |
| $B$ | $C$ |
$ (a)$ State whether $A$ is a metal or non-metal.
$(b)$ State whether $C$ is more reactive or less reactive than $A$.
Option A
Option B
Option C
Option D
Solution
$(a)$ $A$ is a non-metal.
$(b)$ $C$ is less reactive than $A$, as reactivity decreases down the group in halogens.
Standard 10
Science
