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प्रश्न
Give the symbol and valency of the following element and radical.
Calcium
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उत्तर
| Element/Radical | Symbol | Valency |
| Calcium | Ca | two |
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संबंधित प्रश्न
Consider the following elements:
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(iii) A and B
(iv) B and C
(v) A and C
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(a) number of valence electrons
(b) valency
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| Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
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(metals, non-metals, metalloids, four, seven, s-block, p-block, d-block, f-block).
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Name the metalloids in the first twenty elements.
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Give its electronic configuration.
