Multiple Choice
Which of the following ions has a positive charge?
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2. Atoms & Elements
Ions
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Which of the following correctly describes a positive ion and a negative ion?
A
A positive ion (cation) is formed when an atom gains electrons, while a negative ion (anion) is formed when an atom loses electrons.
B
Both positive and negative ions are formed when atoms lose electrons.
C
Both positive and negative ions are formed when atoms gain electrons.
D
A positive ion (cation) is formed when an atom loses electrons, while a negative ion (anion) is formed when an atom gains electrons.
Verified step by step guidance1
Recall that ions are atoms or molecules that have gained or lost electrons, resulting in a net electric charge.
Understand that a positive ion, called a cation, is formed when an atom loses one or more electrons, because losing negatively charged electrons leaves the atom with a net positive charge.
Recognize that a negative ion, called an anion, is formed when an atom gains one or more electrons, adding extra negative charge to the atom.
Therefore, the correct description is: a positive ion (cation) is formed when an atom loses electrons, and a negative ion (anion) is formed when an atom gains electrons.
Use this understanding to evaluate the given options and identify the statement that matches this fundamental concept of ion formation.
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