• Skip to main content
  • Skip to secondary menu
  • Skip to primary sidebar

Class Notes

Free Education for All

  • Class 1-5
  • Class 6
  • Class 7
  • Class 8
  • Class 9
  • Class 10
  • Class 11
  • Class 12
  • NCERT Solutions
    • NCERT Books

graphite

Allotropes Of Carbon

Last Updated on June 1, 2019 By Mrs Shilpi Nagpal 4 Comments

Structure of diamond

The phenomenon of existence of an element in two or more forms which have different physical properties but identical chemical properties is called allotropy and the different forms are called allotropes. Carbon exists in 2 allotropic forms: 1) Crystalline 2) Amorphous Crystalline form of carbon: 4 allotropes of carbon having well defined crystal structure … [Read more...] about Allotropes Of Carbon

Elements

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal Leave a Comment

  Question 1  What is an element.Give few examples? Question 2 How many elements are known till today? Question 3 Name 2 elements which are liquid at room temperature? Question 4 What are the three groups into which elements can be classified? Question 5 Define the term malleable? Question 6 Define the term ductile? Question 7 Why Aluminium metal is used in … [Read more...] about Elements

Primary Sidebar

Recent Posts

  • Chapter 2 The Adventures of Toto
  • Chapter 1 The Lost Child
  • Chapter 11 If I were You
  • Chapter 10 Kathmandu
  • A slumber did My spirit Seal (Poem)
  • The Snake Trying (Poem)
  • Chapter 9 The Bond of Love
  • The Beggar Class 9 English, Moments – Summary, Explanation, Word Meanings
  • The Accidental Tourist Class 9 English, Moments – Summary, Explanation, Word Meanings
  • Email
  • Facebook
  • Pinterest
  • RSS
  • Twitter

Copyright © 2022 · About Us · Contact Us · Privacy Policy