NEET > Chemistry Class 12 > Trends in Group-15 Elements - 2
Trends in Group-15 Elements - 2 Video Lecture - Chemistry Class 12 - NEET
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FAQs on Trends in Group-15 Elements - 2 Video Lecture - Chemistry Class 12 - NEET
| 1. What are the trends in Group-15 elements? |  |
Ans. The trends in Group-15 elements include an increase in atomic radius and metallic character as you move down the group. There is also a decrease in ionization energy and electronegativity from top to bottom in the group.
| 2. How does the atomic radius change in Group-15 elements? | |
Ans. The atomic radius increases as you move down Group-15 elements. This is because each successive element has an additional energy level or shell, which results in the increase in size of the atom.
| 3. What is the trend in metallic character in Group-15 elements? | |
Ans. The metallic character increases as you move down Group-15 elements. This is due to the increase in atomic size, which allows the outermost electrons to be further away from the nucleus and thus more easily lost to form positive ions.
| 4. How does ionization energy change in Group-15 elements? | |
Ans. The ionization energy decreases as you move down Group-15 elements. This is because the outermost electrons are further away from the nucleus, making them easier to remove. As a result, less energy is required to remove an electron, leading to a decrease in ionization energy.
| 5. What is the trend in electronegativity in Group-15 elements? | |
Ans. The electronegativity decreases as you move down Group-15 elements. This is because the increase in atomic size reduces the attraction between the nucleus and the outermost electrons, making it less likely for the atom to attract additional electrons and thus decreasing its electronegativity.
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