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Questions and Answers
Which type of bond is formed when atoms share one, two, or three pairs of electrons?
Which type of bond is formed when atoms share one, two, or three pairs of electrons?
- Dative bond
- Coordinate bond
- Covalent bond (correct)
- Ionic bond
Which type of bond is formed when one atom contributes all of the shared electron pairs?
Which type of bond is formed when one atom contributes all of the shared electron pairs?
- Coordinate bond (correct)
- Dative bond
- Ionic bond
- Covalent bond
What is the term for a positively charged ion?
What is the term for a positively charged ion?
- Anion
- Electrovalent
- Dative
- Cation (correct)
What is the term for a negatively charged ion?
What is the term for a negatively charged ion?
What is the term for the number of electrons that an atom gains or loses to form an ionic bond?
What is the term for the number of electrons that an atom gains or loses to form an ionic bond?
What factors influence the formation of cations and anions in an ionic compound?
What factors influence the formation of cations and anions in an ionic compound?
What type of compounds are formed as a result of the transfer of electrons between elements?
What type of compounds are formed as a result of the transfer of electrons between elements?
Which of the following is true about the properties of chlorine atom and chloride ion?
Which of the following is true about the properties of chlorine atom and chloride ion?
Which of the following is true about the electrical state of chlorine atom and chloride ion?
Which of the following is true about the electrical state of chlorine atom and chloride ion?
What is the electronic configuration of chlorine atom?
What is the electronic configuration of chlorine atom?
What is the electronic configuration of chloride ion?
What is the electronic configuration of chloride ion?
What is the electrical charge of sodium ion?
What is the electrical charge of sodium ion?
What is the electrical charge of chloride ion?
What is the electrical charge of chloride ion?
What is the molecular formula of magnesium chloride?
What is the molecular formula of magnesium chloride?
Which of the following is the definition of a chemical bond?
Which of the following is the definition of a chemical bond?
Which of the following elements has an octet in its outermost shell?
Which of the following elements has an octet in its outermost shell?
What is the electronic configuration of helium?
What is the electronic configuration of helium?
What is the atomic number of radon?
What is the atomic number of radon?
What is the main cause of chemical combination?
What is the main cause of chemical combination?
What is the electronic configuration of argon?
What is the electronic configuration of argon?
What is the electronic configuration of xenon?
What is the electronic configuration of xenon?
Which type of ion is formed when a magnesium atom loses two electrons?
Which type of ion is formed when a magnesium atom loses two electrons?
How many chlorine atoms are required to form two chloride ions when a magnesium atom donates two electrons?
How many chlorine atoms are required to form two chloride ions when a magnesium atom donates two electrons?
What is the electron configuration of a calcium ion?
What is the electron configuration of a calcium ion?
What is the charge of an oxygen ion?
What is the charge of an oxygen ion?
What is the electron dot structure of calcium oxide (CaO)?
What is the electron dot structure of calcium oxide (CaO)?
In the formation of an electrovalent bond, which atom undergoes oxidation?
In the formation of an electrovalent bond, which atom undergoes oxidation?
In the reaction between sodium and chlorine to form sodium chloride, which atom is reduced?
In the reaction between sodium and chlorine to form sodium chloride, which atom is reduced?
What is the oxidizing agent in the reaction between hydrogen and Cu(II) oxide?
What is the oxidizing agent in the reaction between hydrogen and Cu(II) oxide?
What is the reducing agent in the reaction between hydrogen and Cu(II) oxide?
What is the reducing agent in the reaction between hydrogen and Cu(II) oxide?
Why are ionic compounds stable?
Why are ionic compounds stable?
What factors influence the formation of cations and anions in an ionic compound?
What factors influence the formation of cations and anions in an ionic compound?
What is the most electronegative element?
What is the most electronegative element?
What is the electronic configuration of a sodium atom?
What is the electronic configuration of a sodium atom?
What is the charge of a chloride ion?
What is the charge of a chloride ion?
What is the electron dot structure of calcium oxide (CaO)?
What is the electron dot structure of calcium oxide (CaO)?
What type of compounds are formed as a result of the transfer of electrons between elements?
What type of compounds are formed as a result of the transfer of electrons between elements?
What are the properties of a chlorine atom?
What are the properties of a chlorine atom?
What are the properties of a chloride ion?
What are the properties of a chloride ion?
What is the electronic configuration of a sodium ion?
What is the electronic configuration of a sodium ion?
What is the electronic configuration of a chloride ion?
What is the electronic configuration of a chloride ion?
What is the electron dot symbol for an atom?
What is the electron dot symbol for an atom?
What is the molecular formula of magnesium chloride?
What is the molecular formula of magnesium chloride?
What are the properties of calcium oxide?
What are the properties of calcium oxide?
What is the definition of a chemical bond?
What is the definition of a chemical bond?
What are the three methods in which atoms can achieve a stable configuration?
What are the three methods in which atoms can achieve a stable configuration?
What is the electron arrangement of an inert gas?
What is the electron arrangement of an inert gas?
Why are atoms with complete outermost shell unreactive?
Why are atoms with complete outermost shell unreactive?
What is the term for the force of attraction between atoms in a molecule?
What is the term for the force of attraction between atoms in a molecule?
Which elements have complete outermost shells?
Which elements have complete outermost shells?
What is the significance of having 8 electrons (or 2 electrons in the case of helium) in the outermost shell?
What is the significance of having 8 electrons (or 2 electrons in the case of helium) in the outermost shell?
What is the process known as when there is a transfer of electron(s) involved in the formation of an electrovalent bond?
What is the process known as when there is a transfer of electron(s) involved in the formation of an electrovalent bond?
What is the molecular formula of sodium chloride?
What is the molecular formula of sodium chloride?
What is the half reaction for oxidation in the formation of sodium chloride?
What is the half reaction for oxidation in the formation of sodium chloride?
What is the half reaction for reduction in the formation of sodium chloride?
What is the half reaction for reduction in the formation of sodium chloride?
What is the reducing agent in the formation of sodium chloride?
What is the reducing agent in the formation of sodium chloride?
What is the oxidizing agent in the formation of sodium chloride?
What is the oxidizing agent in the formation of sodium chloride?
In the reaction between hydrogen and Cu(II) oxide, which atom is reduced?
In the reaction between hydrogen and Cu(II) oxide, which atom is reduced?
What is the half reaction for reduction in the reaction between hydrogen and Cu(II) oxide?
What is the half reaction for reduction in the reaction between hydrogen and Cu(II) oxide?
What is the electron configuration of xenon?
What is the electron configuration of xenon?
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Study Notes
Formación de enlaces iónicos
- Los átomos buscan estabilidad química mediante la adquisición de la configuración electrónica de un gas noble.
- Los gases nobles tienen 8 electrones en su capa externa, excepto el helio que tiene 2.
- Los átomos pueden lograr estabilidad mediante la transferencia de electrones (enlaces iónicos), compartiendo electrones (enlaces covalentes) o donando pares de electrones (enlaces de coordinación).
- Los enlaces iónicos ocurren entre átomos metálicos y no metálicos.
- Los átomos metálicos pierden electrones para formar iones positivos (cationes).
- Los átomos no metálicos ganan electrones para formar iones negativos (aniones).
- Los iones opuestamente cargados se atraen y forman un enlace iónico.
- Los compuestos iónicos son estables debido a la fuerza electrostática de atracción entre los iones.
- Los metales del grupo 1, 2 y 13 tienden a perder electrones y formar cationes.
- Los no metales del grupo 15, 16 y 17 tienden a ganar electrones y formar aniones.
- La diferencia en la electronegatividad entre los átomos metálicos y no metálicos determina la naturaleza iónica del compuesto formado.
- Los compuestos iónicos más comunes son el cloruro de sodio (NaCl) y el cloruro de magnesio (MgCl2).
- Los átomos de sodio y cloro forman un enlace iónico en el cloruro de sodio, donde el átomo de sodio pierde un electrón y el átomo de cloro gana ese electrón.
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