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Class 11

Electronic Configuration in Periods and Groups-Class 11 Periodic Tables Notes Study Material

October 2, 2025December 12, 2024 by Neeraj Anand, Param Anand
Electronic configuration is the arrangement of electrons in orbitals around an atomic nucleus. Electronic configuration of a molecule refers to the distribution of electrons in various molecular orbitals.

Electronic Configuration is the arrangement of electrons in orbitals around an atomic nucleus. Electronic Configuration of a molecule refers to …

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Electronic Configuration-Explanation, Filling of Orbital and FAQs

September 2, 2025December 12, 2024 by Neeraj Anand, Param Anand
Electron configuration of an element tells us how electrons are filled inside various orbitals of the atom. The distribution of electrons inside various orbital of atoms is very useful in explaining various properties of the atoms and their combination with other atoms.

Electron Configuration of an element tells us how electrons are filled inside various orbitals of the atom. The distribution of …

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S-Block Elements: Properties, Periodic Trends, and Configurations

September 7, 2025December 12, 2024 by Neeraj Anand, Param Anand
S-block elements are those elements in which the last electron is present in the s-orbital. In the periodic table. They reside in the first 2 columns. S-block consists of 14 elements that include, hydrogen (h), lithium (li), helium (he), sodium (na), beryllium (be), potassium (k), magnesium (mg), rubidium (rb), calcium (ca), caesium (cs), strontium (sr), francium (fr), barium (ba), and radium (ra).

S-block elements are those elements in which the last electron is present in the s-orbital. In the periodic table. They …

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Periodic Table Trends: Atomic Radius, Ionization Enthalpy, Electron Gain Enthalpy, Electronegativity

September 7, 2025December 12, 2024 by Neeraj Anand, Param Anand
A periodic table is the arrangement of all the elements in the known universe based on either atomic weight or atomic number. There are various failed attempts to arrange the known elements so that all the elements with similar properties are arranged together. But in 1863 russian chemist dmitri mendeleev, gave mendeleev’s periodic table which is the most successful attempt of that time. In modern-day, scientists using mendeleev’s periodic table as a base created a long-form periodic table which is called modern periodic table.

What is Periodic Table? A periodic Table is the arrangement of all the elements in the known universe based on …

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Periodic Table Trends: Atomic Radius, Ionization Enthalpy, Electron Gain Enthalpy, Electronegativity

September 7, 2025December 12, 2024 by Neeraj Anand, Param Anand
A periodic table is the arrangement of all the elements in the known universe based on either atomic weight or atomic number. There are various failed attempts to arrange the known elements so that all the elements with similar properties are arranged together. But in 1863 russian chemist dmitri mendeleev, gave mendeleev’s periodic table which is the most successful attempt of that time. In modern-day, scientists using mendeleev’s periodic table as a base created a long-form periodic table which is called modern periodic table.

What is Periodic Table? A periodic Table is the arrangement of all the elements in the known universe based on …

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Ionic Radius – Definition & Trends in Periodic Table

September 4, 2025December 12, 2024 by Neeraj Anand, Param Anand
Ionic radius is the distance from the nucleus of an ion up to which it has an influence on its electron cloud.

What is Ionic Radius? Ionic radius is the distance from the nucleus of an ion up to which it has an …

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Noble Gas Elements, Uses, Applications, FAQs

September 23, 2025December 12, 2024 by Neeraj Anand, Param Anand
The elements in group 18 of the periodic table are known as the noble gases. These elements are also known as the inert gases, which is a very appropriate name for them since this group of elements exhibits extremely inert chemical behaviour.

What are Noble Gases or Inert Gases? The elements in Group 18 of the periodic table are known as the …

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Modern Periodic Law: Moseley Law and Modern Periodic Table

September 7, 2025December 12, 2024 by Neeraj Anand, Param Anand
All matter in our environment is made up of basic units known as elements. Initially, only 31 chemical elements were discovered in 1800 and it was easier to study their chemical and other properties.

All matter in our environment is made up of basic units known as elements. Initially, only 31 chemical elements were …

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Periodic Classification of Elements: History & Periodic Trends-Class 11 Chemistry Notes

September 7, 2025December 12, 2024 by Neeraj Anand, Param Anand
Periodic classification of elements refers to the arrangement of elements on the basis of the periodic repetition of their properties. It means the elements which exhibit similar properties on a regular interval are placed in the same group.

Periodic Classification of Elements refers to the arrangement of elements on the basis of the periodic repetition of their properties. …

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Electron Configuration – Detailed Explanation, Filling of orbital, Representation of Electronic Configuration of Atom with FAQs .

October 2, 2025December 12, 2024 by Neeraj Anand, Param Anand
The electron configuration of an element describes how electrons are distributed in its atomic orbitals.

What are Electron Configurations? The electron configuration of an element describes how electrons are distributed in its atomic orbitals. Electron …

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