|Nucleon | Proton| Number of|number | number| electrons|protons|neutronsmagnesium | | | | |atom,Mg |24 |12 |12 |12 |12Potassium | | | | |atom,K+ |40 |19 |18 |19 |21 Chloride | | | | |ion,Cl- |35.5 |17 |18 |18 |18 解析看不懂?免费查看同类题视频解析查看解答 ...
Edmund Davy, who assisted in the experiment, described Sir Humphry Davy’s reaction to the production of potassium metal, his Eureka moment: “… when the minute globules of potassium burst through the crust of potash, and take fire as they entered the atmosphere, he could not contain his jo...
(A) The left panel, shows the Bohr atomic model for Mg, which brings a visual representation of electrons orbiting around a small nucleus containing 12 protons and 12 neutrons. The last electron shell contains the valence electrons, which are two in this case (Mg valence 2+). That is why...
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