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प्रश्न
_______ is the outermost shell for elements of period 2.
विकल्प
K
L
M
N
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उत्तर
L is the outermost shell for elements of period 2.
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संबंधित प्रश्न
Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
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What is the group of this element?
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| Column A | Column B |
| 1) Alkaline earth metals | a) Group 18 |
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| 4) Noble gas | d) Group 1 |
| e) Group 14 |
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Complete the following chart.
| Shell | n | 2n2 | Electron holding capacity |
| K | ______ | 2 × 12 | 2 |
| L | 2 | ______ | 8 |
| ______ | 3 | 2 × 32 | 18 |
| N | 4 | 2 × 42 | ______ |
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- 2, 8, 2
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- 2, 1
Observe the periodic table given below and write the answers of the questions.

- Write the name and valencies of the elements in 3rd row.
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