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Answered

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1. What is true about elements

1 What Is True About Elements class=

Sagot :

briannaserenity0736
w is the noble gas having atomic number 10 and configuration (2,8)
x, y and z are the s block elements. They have 2,2 and 1 electrons in their outermost shell respectively.
Atomic size decreases across the period and increases down the group. Element z is having more atomic size.

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