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Ions Video Lessons
Concept: Losing an electron(s) creates a positive charge and gaining an electron(s) creates a negative charge.
Concept: A positively charged ion is called a cation and a negatively charged ion is called an anion.
Example: Determine the number of protons, neutrons, and electrons for the following cation 2713Al+3.
Recall that The loss or gaining of electrons by atoms creates ions.
Which of the following is an anion?a. O²⁻b. Mg²⁺c. Al³⁺d. H
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