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weeman7760
18.09.2019 •
Chemistry
How do you know how many an atom contains and how many electrons the entire ion has either lost or gained?
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Ответ:
If you have an ion and you want to know how many electrons it has lost or gained, you look at the charge. If it is a 2+ ion then it has lost two electrons, if it's a - ion then it has gained an electron. The number of electrons in an ion is the atomic number +/- the charge shown. For example a Mg2+ ion would have 10 electrons as a magnesium atom has 12 electrons and loses two to form the 2+ ion.
Ответ:
a) in form of conduction