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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
Fill in the blank:
The modern periodic table consists of ……………. periods.
What is the name of those elements which divide metals and non-metals in the periodic table?
The modern periodic table was prepared by ______.
What is the number of elements is 1st period the modern periodic table?
How many groups and periods does the modern periodic table have?
Give the symbol and valency of the following element and radical.
Hydrogen
Give the symbol and valency of the following element and radical.
Calcium
Give the chemical formula of carbonic acid
Give the chemical formula of calcium phosphate
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
