This question is about the electronic structure of some Group 5 elements.
Which is the electronic configuration of the arsenide ion, As3–?
☐ | A | 1s22s22p63s23p63d104s2 | |
☐ | B | 1s22s22p63s23p63d104s24p3 | |
☐ | C | 1s22s22p63s23p63d104s24p6 | |
☐ | D | 1s22s22p63s23p63d104s24p34d3 |
The electronic configuration of a phosphorus atom can be written
1s22s22p63s23p3
An alternative way to express the electronic configuration is
(1)
(1)
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