a. fe
![Chemistry](/tpl/images/cats/himiya.png)
Chemistry, 02.02.2020 21:47, jazzycintron14
1.* write electron configurations for the 2 + 2 plus cations of these elements.
a. fe
b. co
c. ni
2.write electron configurations for the 3 + 3 plus cations of these elements.
a. chromium
b. manganese
c. iron
3. write the symbol for the ion formed when each element gains electrons and attains a noble-gas electron configuration.
a. br
b. h
c. as
d. se
4.* write electron configurations for the following atoms and ions, and comment on the result.
ar
cl − cap cl to the minus
s 2 − cap s super 2 minus end super
p 3 −
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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Do you know the correct answer?
1.* write electron configurations for the 2 + 2 plus cations of these elements.
a. fe
a. fe
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