Chemistry, 10.11.2019 15:31 boss1373

1.* write the name and symbol of the ion formed when

a. a sulfur atom gains two electrons.
b. an aluminum atom loses three electrons.
c. a nitrogen atom gains three electrons.
d. a calcium atom loses two electrons.
2 * write electron configurations for the 2 + 2 plus cations of these elements.

fe
co
ni
3. write electron configurations for the 3 + 3 plus cations of these elements.

chromium
manganese
iron
4. write the symbol for the ion formed when each element gains electrons and attains a noble-gas electron configuration.

br
h
as
se

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1.* write the name and symbol of the ion formed when

a. a sulfur atom gains two electron...

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