6
QuizMultiple Choice

Chemical Bonding

Question 6 • Madison 2017 Phy Sci A-35 SS

The diagram shows an electron shell model of a sodium atom.

Question illustration
Answer
A
The third shell would have eight electrons after the atom gains seven electrons to fill the outermost shell.
B
The third shell would be empty so that the eight electrons in the second level would be outermost after the atom loses one electron.
C
The first and third shells would be empty so that the atom would have eight electrons in its remaining shell after the atom loses three electrons.
D
The first shell would have two electrons and the second shell would have six electrons after the atom loses three electrons.
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