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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
What is meant by a group, in a periodic table?
Which of the following statement is correct in regard to the classification of elements?
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(b) Elements in Mendeleev's periodic table are arranged on the basis of increasing atomic numbers.
(c) In modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass.
(d) In modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group.
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(i) A and D
(ii) C and D
(iii) A and B
(iv) B and C
(v) A and C
Name two elements in each case:
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Is it a metal or a non-metal?
