The atomic number of an element whose cation, X2+, has th...
The atomic number of an element whose cation, X2+, has the ground state electronic configuration 1s22s22p63s22p6 is?
16
18
20
22
24
Correct answer is C
-The main difference between ground state and excited state is that ground state is a state where electrons in a system are in the lowest possible energy levels whereas excited state is any state of the system that has a higher energy than the ground state.
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