Question

The number of electrons in the valence shell of an atom represents its (group/period) in the periodic table.

Answer 1

Answer:

peroid

Explanation:

the electron in valence shell of an atom represent it's period

Answer 2

The number of electrons in the valence shell of an atom represents its group in the PT.

For eg

In B : No of valence electrons = 3

Al = 3

Ga = 3

In = 3

Tl = 3

And all are present in same group i.e. G13