Podcast
Questions and Answers
What is the ionic radius?
What is the ionic radius?
- The radius of an electron in an atom
- The radius of a proton in a nucleus
- The radius of a covalent bond in a molecular structure
- The radius of a monatomic ion in an ionic crystal structure (correct)
How are ions treated in terms of their boundaries?
How are ions treated in terms of their boundaries?
- As having undefined boundaries
- As hard spheres with radii (correct)
- As irregularly shaped particles
- As infinitely small points
What happens to the size of an ion when it loses an electron to form a cation?
What happens to the size of an ion when it loses an electron to form a cation?
- The ion becomes neutral
- The radius of the ion gets smaller (correct)
- The radius of the ion remains unchanged
- The radius of the ion gets larger
How do ionic radii behave on descending a group in the periodic table?
How do ionic radii behave on descending a group in the periodic table?
What parameter can cause variation in ionic radius values?
What parameter can cause variation in ionic radius values?
An ion in a high-spin state will be ______ than the same ion in a low-spin state
An ion in a high-spin state will be ______ than the same ion in a low-spin state
Ionic radii are typically given in units of either picometers (pm) or angstroms (Å), with 1 Å = 100 pm. Typical values range from 31 pm (0.3 Å) to over 200 pm (2 Å). The concept can be extended to solvated ions in liquid solutions taking into consideration the ______ shell.
Ionic radii are typically given in units of either picometers (pm) or angstroms (Å), with 1 Å = 100 pm. Typical values range from 31 pm (0.3 Å) to over 200 pm (2 Å). The concept can be extended to solvated ions in liquid solutions taking into consideration the ______ shell.
When an atom loses an electron to form a cation, the other electrons are more attracted to the nucleus, and the radius of the ion gets ______.
When an atom loses an electron to form a cation, the other electrons are more attracted to the nucleus, and the radius of the ion gets ______.
Ionic size (for the same ion) also increases with increasing ______ number
Ionic size (for the same ion) also increases with increasing ______ number
Ionic radii increase on descending a ______.
Ionic radii increase on descending a ______.
Explain the concept of ionic radius and how it is used in an ionic crystal structure.
Explain the concept of ionic radius and how it is used in an ionic crystal structure.
What factors can cause variation in ionic radius values?
What factors can cause variation in ionic radius values?
How do ionic radii behave on descending a group in the periodic table?
How do ionic radii behave on descending a group in the periodic table?
Explain how the size of an ion changes when it loses an electron to form a cation.
Explain how the size of an ion changes when it loses an electron to form a cation.
In what units are ionic radii typically given, and what are the typical ranges for these values?
In what units are ionic radii typically given, and what are the typical ranges for these values?
Explain how the ionic radius of an ion can vary based on its electric charge and other parameters.
Explain how the ionic radius of an ion can vary based on its electric charge and other parameters.
What are the typical units for expressing ionic radii and what are the typical ranges for these values?
What are the typical units for expressing ionic radii and what are the typical ranges for these values?
How do ionic radii behave in terms of periodic trends?
How do ionic radii behave in terms of periodic trends?
How does the size of an ion change with increasing coordination number?
How does the size of an ion change with increasing coordination number?
What factors can cause variation in ionic radius values?
What factors can cause variation in ionic radius values?
