1,4,6,?,11,14,16
the difference is going
3,2,?,?,3,2
therefore it should be
Answer:
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Answer:
Explanation:
The principal quantum number is the quantum number denoted by n and which indirectly describes the size of the electron orbital. It is always assigned an integer value (e.g., n = 1, 2, 3...), but its value may never be 0. An orbital for which n = 2 is larger, for example, than an orbital for which n = 1.
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