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SAT Subject Test
The set of lettered choices below refers to multiple questions. Select the one lettered choice that best fits each statement or answers each question. A choice may be used once, more than once, or not at all in each set.
Has electrons in 
orbitals
Select an Answer
Correct Answer:
No
Correct Answer:
No
Correct Answer:
No
Correct Answer:
No
Correct Answer:
Yes
View Correct Answer
The element with the lowest atomic number that has any electrons in an orbital is cerium (atomic number 
), which has the electron configuration 
. All elements with an atomic number equal to or greater than have ground-state atoms with electrons in orbitals. Uranium has an atomic number of 
; therefore the correct answer is (E).
Question Difficulty:
easy