In 1923, the year C&EN was born, Gilbert N. Lewis of the University of California, Berkeley, published a book titled “Valence and the Structure of Atoms and Molecules.” In the text, Lewis laid out the ...

Plutonium has captured the attention of scientists since its discovery in the early 1940s. This enigmatic element has an ...

For Class 11 students who want to get precise and comprehensive NCERT Solutions for Chemistry, we are providing here the accurate details for all questions given in Chemistry NCERT book. NCERT books ...

"SOMETIMES IT SEEMS to me that a bond between two atoms has become so real, so tangible, so friendly, that I can almost see it. Then I awake with a little shock, for a chemical bond is not a real ...

Ionic bonds are very strong so the melting point of an ionic compound is high. Ionic compounds do not conduct electricity in the solid state because their ions are unable to move about. However, if an ...

Try these interactive flashcards based on GCSE chemistry past papers. By working your way through the flashcards created by experts, you can prepare for your chemistry exams and make your revision ...

The chapter ‘Chemical Bonding’ is a very important part of Chemistry in the syllabus of UPSEE/UPTU entrance examination 2018. About 2-3 questions have always been asked from this chapter in the ...

Atomic force microscopy (AFM) with a frequency modulation technique 1 has proven successful for imaging various sample surfaces at high resolution 2,3. Since the first-reported use of AFM to image the ...