[Professor Bragg asserts that] In sodium chloride there appear to be no molecules represented by NaCl. The equality in number of sodium and chlorine atoms is arrived at by a chess-board pattern of these atoms; it is a result of… — Henry Edward Armstrong Copy Share Image
![“[Professor Bragg asserts that] In sodium chloride there appear to be no molecules represented by NaCl. The equality in number of sodium and chlorine atoms is arrived at by a chess-board pattern of these atoms; it is a result of geometry and not of a pairing-off of the atoms.” quote by Henry Edward Armstrong](https://sms4smile.com/quotes/img-quotes/bf5/henry-edward-armstrong-46976_atoms_professor-bragg-asserts-that-in-sodium-c_999839.jpg)