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प्रश्न
Answer the following question.
Write the name, symbol, and electronic configuration of an element X whose atomic number is 11.
उत्तर
The element X with atomic number 11 is Sodium with symbol Na. The electronic configuration of the element is 2,8,1.
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संबंधित प्रश्न
As element X has mass number 40 and contains 21 neutrons in its atom. To which group of the periodic table does it belong?
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(c) Name another element which is placed in the same group as A.
Choose the correct option and rewrite the statement.
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An element with the atomic number 40 is placed in the period.
The atomic number of an element 'X' is 11.
- Write the electronic configuration of X and find its valency.
- Write the formula and nature of its oxide.
