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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
Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
Why do all the elements of the same group have similar properties?
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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 the term
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State its position in the periodic table?
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
Write an Explanation.
Period
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
Define periods of modern periodic table.
