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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