Question

1. Across a period from left to right in the Modern Periodic Table.
No. of electron shells (i) ___________; No. of valence electrons (ii)__________;
Electronegativity(iii)______________; Character of elements changes from
(iv)_______________ to (v)____________
2. Down a group in the modern periodic Table.
No. of electron shells (vi)____________; No of valence electrons(vii)________;
Electronegativity(viii)___________; Character of elements changes from
(ix)___________to (x)______________

Answer 1

Answer:

1)increase, increases, increases, positive to negative

Answer 2

Answer:

no. of electron shells (i) ____increase_______; No. of valence electrons (ii)____one by one______;

Electronegativity(iii)______________; Character of elements changes from