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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 the same number of electrons as
Select an Answer
Correct Answer:
Yes
Correct Answer:
No
Correct Answer:
No
Correct Answer:
No
Correct Answer:
No
View Correct Answer
The atom that has lost two electrons.
has an atomic number of
and has
electrons, so
electrons. The neutral atom with
electrons (and
protons) is
. Note that
is two elements before
in the periodic table.
Question Difficulty:
medium