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प्रश्न
Give the symbol and valency of the following element and radical.
Chlorine [Chloride]
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उत्तर
| Element/Radical | Symbol | Valency |
| Chlorine [Chloride] | Cl | one |
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संबंधित प्रश्न
How many rows and columns are there in the modern periodic table?
Which of the following statement is correct in regard to the classification of elements?
(a) Elements in modern periodic table are arranged on the basis of increasing atomic masses.
(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.
How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
How do the atomic radii of elements change as we go from left to right in a period of the periodic table?
Name the noble gas with 3 shells.
What is meant in the periodic table by a period?
State the number of elements in Period 1 of the Periodic Table.
The groups 1 and 2 constitute the ______ block.
Distinguish between:
s-block - p-block
Spot the error:
There are 5 periods and 17 groups in the modern periodic table.
