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प्रश्न
Give the symbol and valency of the following element and radical.
Sodium
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उत्तर
| Element/Radical | Symbol | Valency |
| Sodium | Na | one |
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संबंधित प्रश्न
How does the metallic character of elements in Modern Periodic Table vary on moving from left to right in a period, and (ii) down a group?Give reason to justify your answer.
Give two example of group 17 elements.
On which side of the periodic table will you find metals?
On the basis of electronic configuration, how will you identify the first element of a period?
In what respects do the properties of group 1 elements differ from those of group 17 elements? Explain with examples by taking one element from each group.
The elements A, B, C and D belong to groups 1, 2, 14 and 17 respectively of the periodic table. Which of the following pairs of elements would produce a covalent bond?
(i) A and D
(ii) C and D
(iii) A and B
(iv) B and C
(v) A and C
State the term
The tabular arrangement of elements in horizontal rows and vertical columns _________
Give the symbol and valency of the following element and radical.
Nitrogen [Nitride]
Position of A, B and C three elements is given in the table from the modern periodic table. Answer the following questions.
| Periods | Group 2 | Group 17 |
| 2 | ----- | A |
| 3 | B | ----- |
| 4 | ----- | C |
- What is an element metal or nonmetal?
- Which is the outermost orbit of element B?
- Identify C element and it's physical state.
The arrangement of elements in the Modem Periodic Table is based on their ______
