Which of the two would be chemically more reactive element ‘X’ of atomic No.18 or element ‘Z’ of atomic No. 16 and why
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Since, The atomic no. of element 'X' is 18 which means it has its electronic configuration as 2.8.8 So, it can be seen that this element has completely filled valance shell which means it is inert and is also a least reactive element in the periodic table .
On the other hand, The atomic no. of element 'Z' is 16 which means it has its electronic configuration as 2.8.6 So, it can be seen that this element has 6 valance electrons in its M shell and it requires 2 more electrons to fulfill its octet. So it is able to react with some other elements.
Now, Comparing the element 'X' and 'Z' we find that 'Z' is chemically more reactive than 'X' .
_________
Since, The atomic no. of element 'X' is 18 which means it has its electronic configuration as 2.8.8 So, it can be seen that this element has completely filled valance shell which means it is inert and is also a least reactive element in the periodic table .
On the other hand, The atomic no. of element 'Z' is 16 which means it has its electronic configuration as 2.8.6 So, it can be seen that this element has 6 valance electrons in its M shell and it requires 2 more electrons to fulfill its octet. So it is able to react with some other elements.
Now, Comparing the element 'X' and 'Z' we find that 'Z' is chemically more reactive than 'X' .
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