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11th
Chemistry
Classification of Elements and Periodicity in Properties
$Modern Periodic Law and Periodic Table$

Modern Periodic Law and Periodic Table

Classification of Elements and Periodicity in Properties

Chemistry

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Modern Periodic Classification - 1

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Modern Periodic Table of Elements: Periodicity, Trends, Videos, Examples Position of Elements in Modern Periodic Table: Periodic Table of Elements NCERT Solutions for Class 11 Chemistry Chapter 3 Free PDF Download

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Modern Periodic Table

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Related questions

First long period contains ______ elements.

Elements in the same group show same valency. Give scientific reason.

Valency is equal to group number for all elements in the modern periodic table.

The electron configuration of an element M is [Ar] $3 d^{10} 4 s^{2} 4 p^{3}$ . Then M belongs to :

The general name of the elements of 17th group are:

Complete the table.

Outermost electronic configuration Group Number Oxidation state
$3 s^{2} 3 p^{4}$ $16$ $\underline{a}$

$3 s^{1}$ $\underline{b}$ $+ 1$
$2 s^{2} 2 p^{5}$ $\underline{c}$ $\underline{d}$
$3 d^{10} 4 s^{2}$ $\underline{e}$ $\underline{f}$

How many periods are there in the modern periodic table ?

Which period is incomplete in the modern periodic table?

What is meant by periodicity? Why the properties of elements in the same group are similar?

Write down the characteristics of the elements having an atomic number $17$ .

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Genesis of Periodic Classification Modern Periodic Law and Periodic Table Nomenclature of Elements with Atomic Number Above 100 Electronic Configuration of Elements in Periodic Table Trends in Physical Properties Trends in Chemical Properties

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