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What is the nature of an element having atomic number 20?
- a)metallic
- b)non-metallic
- c)metalloid
- d)semi-metallic
Correct answer is option 'A'. Can you explain this answer?
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What is the nature of an element having atomic number 20?a)metallicb)n...
Nature of an Element with Atomic Number 20
The element with atomic number 20 is calcium (Ca), and its nature can be determined based on its position in the periodic table and its properties.
1. Metallic Nature:
- Calcium is a metal element.
- Metals are typically found on the left side of the periodic table.
- They are good conductors of heat and electricity.
- Metals generally have high melting and boiling points.
- They are malleable and ductile, meaning they can be easily shaped and drawn into wires.
- They tend to lose electrons and form positive ions.
2. Non-Metallic Nature:
- Non-metal elements are usually found on the right side of the periodic table.
- They are poor conductors of heat and electricity.
- Non-metals generally have low melting and boiling points.
- They are brittle and cannot be easily shaped.
- They tend to gain electrons and form negative ions.
3. Metalloid, Semi-Metallic Nature:
- Metalloids or semi-metals have properties that are intermediate between metals and non-metals.
- They are found along the "stair-step" line on the periodic table.
- Metalloids exhibit characteristics of both metals and non-metals, such as varying conductivity.
Conclusion:
Based on the above information, we can conclude that the element with atomic number 20, calcium (Ca), has a metallic nature.
The element with atomic number 20 is calcium (Ca), and its nature can be determined based on its position in the periodic table and its properties.
1. Metallic Nature:
- Calcium is a metal element.
- Metals are typically found on the left side of the periodic table.
- They are good conductors of heat and electricity.
- Metals generally have high melting and boiling points.
- They are malleable and ductile, meaning they can be easily shaped and drawn into wires.
- They tend to lose electrons and form positive ions.
2. Non-Metallic Nature:
- Non-metal elements are usually found on the right side of the periodic table.
- They are poor conductors of heat and electricity.
- Non-metals generally have low melting and boiling points.
- They are brittle and cannot be easily shaped.
- They tend to gain electrons and form negative ions.
3. Metalloid, Semi-Metallic Nature:
- Metalloids or semi-metals have properties that are intermediate between metals and non-metals.
- They are found along the "stair-step" line on the periodic table.
- Metalloids exhibit characteristics of both metals and non-metals, such as varying conductivity.
Conclusion:
Based on the above information, we can conclude that the element with atomic number 20, calcium (Ca), has a metallic nature.
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What is the nature of an element having atomic number 20?a)metallicb)n...
Nature of an Element with Atomic Number 20
Metallic:
- An element with atomic number 20 belongs to the group of metals on the periodic table.
- These elements typically have characteristics such as high electrical conductivity, luster, malleability, and ductility.
- They tend to lose electrons easily, forming cations in chemical reactions.
- Examples of metallic elements include calcium (Ca), which has an atomic number of 20.
Overall, elements with atomic number 20 exhibit metallic properties due to their electron configuration and position on the periodic table.
Metallic:
- An element with atomic number 20 belongs to the group of metals on the periodic table.
- These elements typically have characteristics such as high electrical conductivity, luster, malleability, and ductility.
- They tend to lose electrons easily, forming cations in chemical reactions.
- Examples of metallic elements include calcium (Ca), which has an atomic number of 20.
Overall, elements with atomic number 20 exhibit metallic properties due to their electron configuration and position on the periodic table.
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