Science, asked by achar71, 9 months ago

5.Atomic number of given three elements X, Y and Z are9, 11 and 17 respectively w
the elements exhibit same chemical properties and why? How do you entify the intan
last element of the same period explain with suitable example

Answers

Answered by khanfarah

Answer:

The elements with atomic number 9 and 17 belong to same group no. 17, i.e. halogens whereas atomic no. 11 belongs to alkali metals. As we know that elements of same group have similar properties. So, elements with atomic number 9 and 17 have similar chemical property.

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