In the electron configuration of 2s, 2 refers to the
occupied by the electron?
a. Sublevel
b. Atomic orbital
c. main energy level
d. quantum number
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Answer:
Explanation:
The sublevels contain orbitals. ... The s sublevel has just one orbital, so can contain 2 electrons max. The p sublevel has 3 orbitals, so can contain 6 electrons max. The d sublevel has 5 orbitals, so can contain 10 electrons max.
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