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प्रश्न
Give the symbol and valency of the following element and radical.
Hydrogen
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उत्तर
| Element/Radical | Symbol | Valency |
| Hydrogen | H | one |
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संबंधित प्रश्न
How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?
The atomic particle whose number in the atoms of an element always remains the same and which forms the real basis for the modern classification of elements is:
(a) electron
(b) proton
(c) neutron
(d) meson
Explain why, the first period of the periodic table has only two elements whereas second period has eight elements
Give the symbol and valency of the following element and radical.
Chlorine [Chloride]
Give the symbol and valency of the following element and radical.
Sulphur [Sulphide]
State the number of elements in Period 2 of the Periodic Table.
Find the correlation:
Group 1 and 2 : s block : : group 13 and 18 : ______
Distinguish between:
s-block - p-block
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
