The atomic numbers of three elements, X, Y and Z are 9,11 and 17 respectively. Which two of these elements will show similar chemical properties? Why? Please answer in brief
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Answered by
1
The elements X and Z will show similar characteristics because they differ in their atomic numbers by 8 (9, 17). Both these are halogens and belong to group 17 (halogen family). These are fluorine (Z= 9) and chlorine (Z = 17).
Answered by
5
9 - Flourine
11 - Sodium
17 - Chlorine
Flourine and Chlorine will show similar type of
chemical properties as they are of same group
i.e. group number 17.
Elements of same group, show similar type of
chemical properties.
One more reason is that they need 1 electron to
complete their octet.
Thank you.
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