For example, iron plus oxygen can become ferric oxide. Both elements change their names. The change is used to indicate the kind of bonding process that is taking place. When iron and oxygen become ferric oxide, the iron has lost electrons and the oxygen has gained the electrons that iron lost. <span>
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H2 is a covalent bond. Each hydrogen atom shares its single electron to the other, so each hydrogen has two valence electrons (full outer shell).
Late answer:
Chromosphere.
All of th above support the heliocentric theory.
A teaspoon of caffeine is <em>NOT</em> deadly as teaspoon of ricin
