periodic table

Enlist the names of different families in the periodic table

Families (groups) in the periodic table There are families, which are groups of elements having related properties, on the periodic table. There are 8 groups in the periodic table and their names are as follows Group                   Name Group I A     Alkali metals Group II A    Alkaline earth metals Group III A   Boron family Group …

Enlist the names of different families in the periodic table Read More »

Trick to determine the Period of the periodic table elements

Trick to determine the Period of the periodic table elements You can determine an element’s period number if you are provided its atomic number. For Example: A substance with the atomic number 6 The atomic number 6 substance is a carbon (C) and its electron configuration is 1s22s22p2. Check out !! Chemistry Class 9 Chapter …

Trick to determine the Period of the periodic table elements Read More »

How do to determine the periodic table elements Group?

Determine the Group of the Periodic Table Elements Trick to find Periodic Table Elements Group number Group Number = Number of valence electrons We must understand a few guidelines to determine the group: (number of valence electrons + 10).for groups.Example: S(16) – 2,8,6Group = no. of valence electrons+ 10 = 6+ 10 = 16 3. …

How do to determine the periodic table elements Group? Read More »

What is periodic table in Simple Words?

What is Periodic Table in Simple Words? ANSWER Periodic Table A periodic table is a table in which the elements are arranged according to their rising atomic number and recurrent chemical characteristics. They are arranged in a tabular format with rows denoting periods and columns denoting groups. Periods In the periodic table, the horizontal rows …

What is periodic table in Simple Words? Read More »

Periodic Table and Periodicity of Properties Class 9 Chemistry pdf Notes , mcqs,Video Lectures

Class 9 Chemistry Periodic Table and Periodicity of Properties pdf Notes, mcqs,Video Lectures ************************* Periodic Table and Periodicity of Periodicity of Properties Tutorials ************************* Related Chemistry pdf‘s 9th Class Chemistry Notes 10th Class Chemistry pdf Notes 11th Class Chemistry Chapterwise Free pdf Notes 12th Class Chemistry Free Downloadable 100% Original Cosmetics & Skin Care Products

Chemistry Class 9 Chapter 3 Important MCQs Federal Board

Chemistry Class 9 Chapter 3 Important mcqs Federal Board Periodic Table and Periodicity of Properties Important Multiple Choice Questions 1) Total number of periods in the periodic table are ___. A) 7 B) 8 C) 11 D) 10 Answer: A (7) 2) An element whose last electron enters into s-subshell is a ___ block element. …

Chemistry Class 9 Chapter 3 Important MCQs Federal Board Read More »

Group IV-A Elements Properties : Melting and Boiling Point | Metallic Character | Oxidation state | Inert pair Effect – Chemistry

Group IV-A Elements This group of elements is placed in middle of periodic table. Group 4A (or IVA or group 14) elements of the modern periodic table includes the nonmetal carbon (C), the metalloids silicon (Si) and germanium (Ge), the metals tin (Sn) and lead (Pb), and ununquadium (Uuq).  Melting and Boiling Point of group 4 A …

Group IV-A Elements Properties : Melting and Boiling Point | Metallic Character | Oxidation state | Inert pair Effect – Chemistry Read More »

%d bloggers like this: