large/12904/worldswithinworlds_v1-3_1904_librivox_64kb_mp3/worldswithinworlds_02_asimov_64kb_114
large/12904/worldswithinworlds_v1-3_1904_librivox_64kb_mp3/worldswithinworlds_02_asimov_64kb
English
12904
The 2 ions, with opposite charges, would cling together, since opposite charges attract, and thus the molecule of sodium fluoride (NaF) would be formed. THE TWO IONS WITH OPPOSITE CHARGES WOULD CLING TOGETHER SINCE OPPOSITE CHARGES ATTRACT AND THUS THE MOLECULE OF SODIUM FLORIDE WOULD BE FORMED
e than one shell and the outermost shell that held electrons held 8, that was a stable arrangement, too. Thus, the helium atom has 2 electrons only, filling the innermost shell, and that is so stable an arrangement that helium undergoes no chemical reactions at all. The neon atom has 10 electrons—2 in the innermost shell, and 8 in the next—and it does not react. The argon atom has 18 electrons—2, 8, and 8—and it too is very stable. But what if an atom did not have its electron shell so neatly filled. The sodium atom has 11 electrons—2, 8, and 1—while the fluorine atom has 9 electrons—2 and 7. If the sodium atom passed one of its electrons to a fluorine atom, both would have the stable configuration of neon—2 and 8. This, therefore, ought to have a great tendency to happen. If it did happen, though, the sodium atom, minus 1 electron, would have a unit positive charge and would be Na⁺, a positively charged ion. Fluorine with 1 electron in excess would become F⁻, a negatively charged ion.  EIGHT THAT WAS A STABLE ARRANGEMENT TOO THUS THE HELIUM ATOM HAS TWO ELECTRONS ONLY FILLING THE INNERMOST SHELL AND THAT IS SO STABLE AN ARRANGEMENT THAT HELIUM UNDERGOES NO CHEMICAL REACTIONS AT ALL THE KNEON ATOM HAS TEN ELECTRONES TWO IN THE INNERMOST SHELL AND EIGHT IN THE NEXT ELECTRONE SHELL AND IT DOES NOT REACT THE ARGON ATOM HAS EIGHTEEN ELECTRONES TWO EIGHT AND EIGHT AND IT TOO IS VERY STABLE BUT WHAT IF AN ATOM DID NOT HAVE ITS ELECTRON SHELL SO NEATLY FILLED THE SODIOM ATOM HAS ELEVEN ELECTRONS TWO EIGHT AND ONE WHILE THE FLORIN ATOM HAS NINE ELECTRONS TWO AND SEVEN IF THE SODIUM ATOM PASSED ONE OF ITS ELECTRONS TO A FLORINE ATOM BOTH WOULD HAVE THE STABLE CONFIGURATION OF NEEON TWO AND EIGHT THIS THEREFORE OUGHT TO HAVE A GREAT TENDENCY TO HAPPEN IF IT DID HAPPEN THOUGH THE SODIUM ATOM MINUS ONE ELECTRON WOULD HAVE A UNIT POSITIVE CHARGE AND WOULD BE SODIUM PLUS A POSITIVELY CHARGED ION FLORINE WITH ONE ELECTRON IN EXCESS WOULD BECOME FLORIN MINUS A NEGATIVELY CHARGED ION
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