erinolson07cats
14.06.2021 •
Chemistry
Grade 6 HMH Matter and Energy In Ecosystems: Lesson Quiz
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Ответ:
(3) loses one electron and becomes a positively charged ion
Explanation:
Lithium bromide is formed by combination of lithium cation and bromine anion.
Electronic configuration of lithium:
Lithium atom will loose one electron to gain noble gas configuration and form lithium cation with +1 charge.
Electronic configuration of bromine:
Bromine atom will gain one electron to gain noble gas configuration and form bromide ion with -1 charge.
In lithium bromide, one electron from lithium metal gets transferred to bromine atom.