CameraIcon

SearchIcon

MyQuestionIcon

5

You visited us 5 times! Enjoying our articles? Unlock Full Access!

Classification of Modern Periodic Table

Periodicity i...

Question

Periodicity is observed due to the similar (number of valence electrons/atomic number/electronic configuration)

A

number of valence electrons

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The phenomenon of the reappearance of properties at regular intervals or gradual variation at regular intervals is called periodicity.

Periodicity is due to the recurrence of a same number of electrons in the valence shell.

Suggest Corrections

thumbs-up

1

Similar questions

Q. The number of valence electrons in an atom with electronic configuration

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{3}

The electronic configuration of an atom is $2, 8, 3$ . The number of valence electrons in the atom is:

The atomic mass of X is 12. Write its electronic configuration. Mention it's valency and also the number of valence electrons?

Q. The valence electronic configuration of an atom is

6 s^{2}

. If d orbital of the penultimate shell contains two unpaired electrons, calculate the atomic number

Q. Write down the characteristics of the elements having atomic number 17.
Electronic configuration ____________________________________
Period number ____________________________________
Group number ____________________________________
Element family ____________________________________
No. of valence electrons ____________________________________
Valency ____________________________________
Metal or non-metal ____________________________________.

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Classification of Modern Periodic Table

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon