Catgirl7060
29.01.2021 •
Chemistry
Why do we see a full moon
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Ответ:
because
Explanation:
Ответ:
Noble gas electron configurations are easier to write because they are shorter than full electron configurations. To understand the chemistry of an element, it's most important to know about the electrons in the highest energy levels. Lead has four valence electrons and its chemistry is based on this fact.