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प्रश्न
Give the symbol and valency of the following element and radical.
Magnesium
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उत्तर
| Element/Radical | Symbol | Valency |
| Magnesium | Mg | two |
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संबंधित प्रश्न
In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21, and 38. Which of these have physical and chemical properties resembling calcium?
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Give the symbol and valency of the following element and radical.
Nitrate
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| Element | A | B | C |
| Atomic number | 2 | 10 | 5 |
The element which has the least tendency to lose electrons is ______
Define groups of modern periodic table.
