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

Class Notes

Free Education for All

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

minerals of aluminium

Physical Properties Of Boron Family

Posted on November 13, 2017 by Mrs Shilpi Nagpal

isotopes of boron

The group 13 of the periodic table consists of the elements Boron, aluminium, gallium indium, thallium and the newly discovered elements ununtrium(uut). Occurrence Boron occurs in two forms  .  Its abundance in the earth's crust is very low. Boron mainly occur as: 1) Orthoboric acid, H3BO3 2)Borax, Na2[B4O5(OH)4].8H2O or Na2B4O7.10H2O 3)kernite, Na2[B4O5(OH)4] … [Read more...] about Physical Properties Of Boron Family

Primary Sidebar

Recent Posts

  • Conversion of Affirmative Sentences to Negative Sentences
  • Conversion of Assertive Sentences to Exclamatory Sentences
  • Conversion of Interrogative Sentences to Assertive Sentences
  • Conversion of Assertive Sentences to Interrogative Sentences

Copyright © 2022 · About Us · Contact Us · Disclaimer · Privacy Policy · Facebook · Twitter