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Electronic configutation of elements P, ...

Electronic configutation of elements P, Q and R are given.
P= 2,1
Q = 2,8,2
R= 2,8,6
a) Which of the above elements belong to the same period?
b) Which among the elements has the highest electronegativity?
c) Write down the chemical formula of the compound formed by P and R?

Text Solution

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a) R, Q
b) R
c) .P_2R.
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