Multiple Choice
Which of the following ions has the same electron configuration as the noble gas neon?
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2. Atoms & Elements
Ions
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Which of the following elements would you expect to form a cation?
A
S
B
Na
C
Cl
D
O
Verified step by step guidance1
Understand that a cation is a positively charged ion formed when an atom loses one or more electrons.
Recall that metals tend to lose electrons to form cations, while nonmetals tend to gain electrons to form anions.
Identify the elements given: S (sulfur), Na (sodium), Cl (chlorine), and O (oxygen).
Recognize that sodium (Na) is a metal in Group 1 of the periodic table, which typically loses one electron to form a +1 cation.
Conclude that among the given elements, sodium (Na) is the one expected to form a cation because it readily loses an electron.
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