A splendid book for the boy enthusiast who has a multitude of questions his parents and, more than likely, his teachers cannot answer.
ectrons. No matter what kind of atom we are dealing with we always have a nucleus or center and some electrons playing around that nucleus like tiny planets. The only differences between one kind of atom and any other kind are differences in the nucleus and differences in the number and arrangement of the planetary electrons which are playing about the nucleus.
No matter what kind of atom we are considering there is always in it just as many electrons as protons. For example, the iron atom is formed by a nucleus and twenty-six electrons playing around it. The copper atom has twenty-nine electrons as tiny planets to its nucleus. What does that mean about its nucleus? That there are twenty-nine more protons in the nucleus than there are electrons. Silver has even more planetary electrons, for it has 47. Radium has 88 and the heaviest atom of all, that of uranium, has 92.
We might use numbers for the different kinds of atoms instead of names if we wanted to do so. We could describe any kind of atom
A book explaining radio to children, but it's written in such a cutesy, irritating voice that I can't imagine anyone actually learning anything from it. I put it down after a dozen pages.
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