Multiple Choice
Which of the following statements correctly describes the atomic number of a cation formed when a neutral sodium atom loses one electron?
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2. Atoms & Elements
Ions
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A cation is an element that _____ one or more electrons to form _____ ions.
A
gains; positive
B
loses; positive
C
gains; negative
D
loses; negative
Verified step by step guidance1
Understand the definition of a cation: A cation is an ion that has a positive charge.
Recall how ions form: Atoms form ions by either losing or gaining electrons.
Remember that electrons carry a negative charge, so losing electrons results in a net positive charge.
Therefore, a cation is formed when an atom loses one or more electrons, resulting in a positive ion.
Conclude that the correct completion of the sentence is: 'A cation is an element that loses one or more electrons to form positive ions.'
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