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प्रश्न
In the third period, which is the most metallic and most non-metallic element?
उत्तर
The elements of third period are:
Na, Mg, Al, Si, P, S, Cl, Ar
The most metallic element is sodium i.e., Na and the most non-metallic element is chlorine i.e., Cl.
Concept Insight:
In a period, metallic character decreases on moving from left to right because of decrease in size of atom due to which elements cannot lose electron easily.
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संबंधित प्रश्न
Arrange the following as per the instructions given in the brackets:
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iii) Observe the figure and answer the following questions.
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| H | He | ||||||
| A | B | ||||||
| C | D |
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Explain
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