Podcast
Questions and Answers
What happens to Sodium when it loses one valence electron?
What happens to Sodium when it loses one valence electron?
Which rule explains why atoms tend to lose or gain electrons?
Which rule explains why atoms tend to lose or gain electrons?
What type of ion does an atom become when it gains electrons?
What type of ion does an atom become when it gains electrons?
Which of the following statements is true regarding metals and nonmetals?
Which of the following statements is true regarding metals and nonmetals?
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What is the valence electron configuration for Chlorine when it becomes stable?
What is the valence electron configuration for Chlorine when it becomes stable?
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If Boron were to lose three electrons, what type of ion would it become?
If Boron were to lose three electrons, what type of ion would it become?
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In the bond between Sodium and Chlorine, what is the role of Sodium?
In the bond between Sodium and Chlorine, what is the role of Sodium?
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How many valence electrons does a typical metal atom have?
How many valence electrons does a typical metal atom have?
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Study Notes
Ions: Formation and Characteristics
- Ions are atoms or groups of atoms with a positive or negative charge
- Ions form when an atom loses or gains electrons
- Metals tend to lose electrons to form positive ions (cations)
- Nonmetals tend to gain electrons to form negative ions (anions)
- Atoms gain or lose electrons to achieve a stable electron configuration (octet rule)
Example: Sodium and Chlorine
- Sodium (Na) is a metal in Group 1A, with 1 valence electron
- Chlorine (Cl) is a nonmetal in Group 7A, with 7 valence electrons
- Sodium loses its one valence electron to chlorine
- Chlorine gains the electron to achieve a stable electron configuration
- Sodium becomes a cation, and chlorine becomes an anion
Cations vs Anions
- A cation is a positively charged ion formed when an atom loses electrons
- An anion is a negatively charged ion formed when an atom gains electrons
Example Exercise: Elements and Ions
- Elements in the table show valence electrons, metal vs nonmetal classification, and whether they lose or gain electrons and form cations (positive ions) or anions (negative ions)
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Description
Test your understanding of ions, their formation, and characteristics through this quiz. You'll explore how metals and nonmetals interact to form cations and anions, as well as the significance of the octet rule. Perfect for students studying chemistry concepts related to atomic structure.
