Chemistry Exam > Chemistry Videos > Inorganic Chemistry > PYQs: Periodic Properties
PYQs: Periodic Properties Video Lecture | Inorganic Chemistry
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FAQs on PYQs: Periodic Properties Video Lecture - Inorganic Chemistry
| 1. What are periodic properties? |  |
Ans. Periodic properties are the characteristics or properties of elements that exhibit a periodic trend or pattern across the periodic table. These properties include atomic radius, ionization energy, electron affinity, electronegativity, and metallic character.
| 2. How is atomic radius related to periodic properties? | |
Ans. Atomic radius refers to the size of an atom, which is an important periodic property. As you move down a group in the periodic table, the atomic radius generally increases due to the addition of more electron shells. However, as you move across a period from left to right, the atomic radius decreases due to increased nuclear charge and stronger attraction between the electrons and the nucleus.
| 3. What is ionization energy and how does it relate to periodic properties? | |
Ans. Ionization energy is the energy required to remove an electron from an atom or ion in the gaseous state. It is an important periodic property that follows a trend on the periodic table. Generally, ionization energy increases across a period from left to right due to increased nuclear charge and stronger attraction for electrons. It decreases down a group due to the increase in atomic size and shielding effect.
| 4. How does electronegativity vary as a periodic property? | |
Ans. Electronegativity is the measure of an atom's ability to attract electrons towards itself in a chemical bond. It follows a periodic trend on the periodic table. Electronegativity generally increases across a period from left to right due to increased nuclear charge and stronger attraction for electrons. It decreases down a group due to the increase in atomic size and shielding effect.
| 5. What is meant by metallic character in periodic properties? | |
Ans. Metallic character refers to the level of metallic properties an element exhibits. It is a periodic property that decreases across a period from left to right and increases down a group. Metals tend to have low ionization energy, high electrical and thermal conductivity, luster, and are generally malleable and ductile. Nonmetals, on the other hand, have higher ionization energy and are generally poor conductors of heat and electricity.
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Nov 22, 2024 Last updated |
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