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प्रश्न
Give the symbol and valency of the following element and radical.
Bisulphite
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उत्तर
| Element/Radical | Symbol | Valency |
| Bisulphite | \[\ce{HSO3}\] | one |
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संबंधित प्रश्न
Fill in the blank:
The modern periodic table consists of ……………. periods.
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Give alongside is a part of the periodic table :
As we move horizontally from left to right:
| Li | Be | B | C | N | O | F | |
| Na | Mg | Al | Si | P | S | Cl |
(i) What happens to the metallic character of the elements?
(ii) What happens to the atomic size?
State how the valency of elements varies in a group of the periodic table?
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Write a short note.
Position of isotopes in the Mendeleev’s and the modern periodic table.
Give the symbol and valency of the following element and radical.
Sulphite
Group 13 to 18 : p block : : _______ : d block
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