Podcast
Questions and Answers
What is a valence electron?
What is a valence electron?
- An electron that is completely removed from the atom
- An electron in a filled subshell
- An electron in the highest occupied energy level of an atom (correct)
- The electron closest to the nucleus
What is the Octet Rule?
What is the Octet Rule?
Atoms react so as to acquire the stable electron structure of a noble gas.
What is an electron dot structure?
What is an electron dot structure?
A depiction of valence electrons around the symbol of an element.
What is a halide ion?
What is a halide ion?
What is an ionic bond?
What is an ionic bond?
What is a metallic bond?
What is a metallic bond?
What is a coordination number?
What is a coordination number?
How many valence electrons are in an atom of carbon?
How many valence electrons are in an atom of carbon?
How many valence electrons are in an atom of magnesium?
How many valence electrons are in an atom of magnesium?
How many valence electrons does a helium atom have?
How many valence electrons does a helium atom have?
How many valence electrons are in a neon atom?
How many valence electrons are in a neon atom?
What is the name given to the electrons in the highest occupied energy level of an atom?
What is the name given to the electrons in the highest occupied energy level of an atom?
How does calcium obey the octet rule when reacting to form compounds?
How does calcium obey the octet rule when reacting to form compounds?
What is the electron configuration of the calcium ion?
What is the electron configuration of the calcium ion?
What is the charge on the barium ion?
What is the charge on the barium ion?
The octet rule states that, in chemical compounds, atoms tend to have ______.
The octet rule states that, in chemical compounds, atoms tend to have ______.
How many electrons does barium have to give up to achieve a noble-gas electron configuration?
How many electrons does barium have to give up to achieve a noble-gas electron configuration?
What is the formula of the ion formed when potassium achieves noble-gas electron configuration?
What is the formula of the ion formed when potassium achieves noble-gas electron configuration?
Which of the following elements does NOT form an ion with a charge of 1+?
Which of the following elements does NOT form an ion with a charge of 1+?
How many electrons does phosphorus gain in order to achieve a noble-gas electron configuration?
How many electrons does phosphorus gain in order to achieve a noble-gas electron configuration?
What is the formula of the ion formed when phosphorus achieves a noble-gas electron configuration?
What is the formula of the ion formed when phosphorus achieves a noble-gas electron configuration?
What is the electron configuration of the iodine ion?
What is the electron configuration of the iodine ion?
Which of the following occurs in an ionic bond?
Which of the following occurs in an ionic bond?
A compound held together by ionic bonds is called a ____.
A compound held together by ionic bonds is called a ____.
Which of the following is true about an ionic compound?
Which of the following is true about an ionic compound?
What is the formula unit of sodium nitride?
What is the formula unit of sodium nitride?
What is the formula unit of aluminum oxide?
What is the formula unit of aluminum oxide?
What is the name of the ionic compound formed from lithium and bromine?
What is the name of the ionic compound formed from lithium and bromine?
What is the formula for sodium sulfate?
What is the formula for sodium sulfate?
Which of the following compounds has the formula KNO3?
Which of the following compounds has the formula KNO3?
Ionic compounds are normally in which physical state at room temperature?
Ionic compounds are normally in which physical state at room temperature?
Under what conditions can potassium bromide conduct electricity?
Under what conditions can potassium bromide conduct electricity?
Which of the following is NOT a characteristic of most ionic compounds?
Which of the following is NOT a characteristic of most ionic compounds?
An ionic bond is a bond between ______.
An ionic bond is a bond between ______.
Write the formula for the compound barium oxide.
Write the formula for the compound barium oxide.
Write the formula for the compound rubidium phosphide.
Write the formula for the compound rubidium phosphide.
Write the formula for the compound boron chloride.
Write the formula for the compound boron chloride.
How many valence electrons are in rubidium?
How many valence electrons are in rubidium?
How many valence electrons are in bromine?
How many valence electrons are in bromine?
What is the charge of a particle having 9 protons and 10 electrons?
What is the charge of a particle having 9 protons and 10 electrons?
How many electrons does a gallium atom give up when it becomes an ion?
How many electrons does a gallium atom give up when it becomes an ion?
What is the coordination number of both ions in the cesium chloride crystal?
What is the coordination number of both ions in the cesium chloride crystal?
Flashcards
Valence Electrons
Valence Electrons
Electrons found in the outermost energy level of an atom, crucial for forming chemical bonds.
Octet Rule
Octet Rule
The tendency of atoms to achieve a stable electron configuration similar to noble gases, usually by having 8 electrons in their outermost shell.
Electron Dot Structure
Electron Dot Structure
A visual representation showing valence electrons around an element's symbol, useful for predicting how atoms will bond.
Ionic Bond
Ionic Bond
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Metallic Bond
Metallic Bond
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Halide Ion
Halide Ion
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Coordination Number
Coordination Number
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Carbon Valence Electrons
Carbon Valence Electrons
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Magnesium Valence Electrons
Magnesium Valence Electrons
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Helium Valence Electrons
Helium Valence Electrons
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Neon Valence Electrons
Neon Valence Electrons
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Barium Ion Charge
Barium Ion Charge
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Potassium Ion
Potassium Ion
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Phosphorus Ion
Phosphorus Ion
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Sodium Nitride
Sodium Nitride
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Aluminum Oxide
Aluminum Oxide
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Lithium Bromide
Lithium Bromide
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Ionic Compound Physical State
Ionic Compound Physical State
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Ionic Compound Conductivity
Ionic Compound Conductivity
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Ionic Compound Melting Point
Ionic Compound Melting Point
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Ionic Bond Details
Ionic Bond Details
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Cesium Chloride Crystal
Cesium Chloride Crystal
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Rubidium and Bromine Valence Electrons
Rubidium and Bromine Valence Electrons
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Gallium Ion Formation
Gallium Ion Formation
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Charge Calculation
Charge Calculation
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Study Notes
Ionic Compounds and Their Properties
- Valence Electron: Electrons located in the highest occupied energy level of an atom, critical for chemical bonding.
- Octet Rule: Atoms strive to attain a stable electron configuration similar to noble gases, typically involving eight electrons in their outer shell.
- Electron Dot Structure: Visual representation showing valence electrons around an element's symbol, useful for predicting bonding behavior.
Types of Bonds
- Ionic Bond: Attractive force between oppositely charged ions, forming a stable ionic compound.
- Metallic Bond: Occurs between metal ions and their mobile valence electrons, contributing to metal properties like conductivity.
Ions and Their Charges
- Halide Ion: Anions formed from halogens such as chlorine, with a charge of -1.
- Coordination Number: Indicates how many oppositely charged ions surround a particular ion in a crystal lattice, affecting ionic solid properties.
Valence Electrons and Noble Gas Configuration
- Carbon: Contains 4 valence electrons, forming various compounds.
- Magnesium: Has 2 valence electrons, tends to lose them to achieve stability.
- Helium: Possesses 2 valence electrons, indicative of its noble gas status.
- Neon: Holds 8 valence electrons, fulfilling the octet rule.
Ionic Compounds Formulation
- Barium Ion Charge: Barium forms a cation with a charge of +2, having given up 2 electrons.
- Potassium Ion: K+ forms when potassium achieves a noble gas configuration by losing one electron.
- Phosphorus: Gains 3 electrons to form a P^3- ion, achieving stability.
Common Ionic Compounds
- Sodium Nitride: Its formula is Na3N, illustrates the stoichiometry in ionic bonds.
- Aluminum Oxide: Formula is Al2O3, demonstrating aluminum combining with oxide ions.
- Lithium Bromide: Ionic compound formed from the reaction of lithium and bromine.
Properties of Ionic Compounds
- Physical State at Room Temperature: Ionic compounds typically exist as solids, forming a crystalline structure.
- Conductivity: Ionic compounds conduct electricity when melted or dissolved in water due to the mobility of ions.
- Melting Points: Generally, ionic compounds have high melting points, contrary to substances with low melting points.
Interactions and Characteristics
- Ionic Bond Details: Formed between a cation (positively charged ion) and an anion (negatively charged ion).
- Cesium Chloride Crystal: Both ions have a coordination number of 8, impacting the compound's stability.
Additional Key Points
- Rubidium and Bromine Valence Electrons: Rubidium has 1 valence electron, while bromine has 7.
- Gallium Ion Formation: Gallium loses 3 electrons when it becomes an ion.
- Charge Calculation: An entity with 9 protons and 10 electrons has a net charge of -1.
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Description
Test your knowledge of ionic compounds with these flashcards covering key terms and concepts from Chapter 7. Each flashcard features a vocabulary word along with its definition to enhance your understanding of the topic. Perfect for revision and quick learning!
