Across
- 1. Acid I am used as an antiseptic. I form 5 hydrogen bonds
- 4. My formula is Na2B4O7.4H2O
- 5. My trend along the boron family is B>Al>Ga<In<Tl. My value for water is higher in pressure cooker and lower at higher altitudes
- 9. I am found in Puga Valley, California and Kashmir
- 10. We are made up of Boron to absorb electrons during nuclear reactions
- 12. I am found in the mineral Germanite. My abundance is just 0.1% to 1%
- 13. We are responsible for the weakening of screening effect. We have lot of space which reduces the repulsion among the electrons
- 14. I am an enthalpy. My trend across the Boron family is B>Al<Ga>In<Tl
- 15. I am also called Alumina
- 19. I am formed on reacting Boron with Caustic Soda
- 21. I am used in body implants
- 22. I am the colour of Nickel metaborate
- 23. My formula is M2SO4.Al2(SO4)3
- 25. I am the group to which elements like Indium and Tellurium belong
- 27. I am a hydrogen containing compound of Boron and I exist as a dimer
- 28. I have the general electronic configuration of ns2 np6
Down
- 2. You cannot live without me. My concentration in the earth crust is 45.5%
- 3. I am called the Inorganic benzene
- 5. We are heat resistant pyrex glass
- 6. The colour of my ion with Borax is blue
- 7. My ionization enthalpy is just 1KJ per mole less than Gallium
- 8. I am used as a catalyst in the synthesis of Diborane from Sodium Boron Hydride
- 11. I am a potential. My value for Tellurium is 1.25V
- 16. Boron is second most tough material after me
- 17. India is my largest producer in the world. I am found in Madhya Pradesh, orrisa and Jammu
- 18. My chemical formula is Ca2B6O11
- 20. Boron I am found in Puga Valley, California and Kashmir
- 24. I am quartz. I am used in making glass.
- 26. I am found in traces of sulphide ore of Zinc
- 29. I am also called Sodium Tetraborate