Answer to Question #122912 in General Chemistry for queen

Question #122912
Br- is formed when a bromine atom *

a) loses an electron in ionic bonding

b) Gains an electron in ionic bonding

c) Gains an electron in molecular bonding

d) Loses an electron in molecular bonding
1
Expert's answer
2020-06-22T08:53:29-0400

Answer: b) Gains an electron in ionic bonding.

Comment:Because Br has a higher electronegativity, the attracts electrons at ion bonding. For example, in NaBr, Na gives electrons (Na+ is formed), Br takes electrons (Br- is formed), and the ions formed compete with each other to form a molecule. such work is called ion work.


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