Question

What are the main characteristics of long form of periodic table

Answer 1

They r

1 properties of elements are periodic function of their atomic number

2 the vertical columns are called groups and horizontal rows are called periods

3 elements in a group have same number of Valence Electrons

4 elements in same period have same number of shells

5 each period marks on you electronic shell getting filled

Answer 2

Answer:

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Explanation:

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