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प्रश्न
Define:- Periodic table
उत्तर
Periodic table:- represents the tabular arrangment of elements in horizontal rows called periods and vertical columns called groups in order to classify the elements and their systematic study.
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संबंधित प्रश्न
Explain why All the elements of a period have different chemical properties.
Name two elements in Inert gas.
Give the chemical formula of sodium bicarbonate
Name the following:
The group of the Modern Periodic Table to which calcium [Ca2+] belongs.
Mendeleev's periodic table : atomic mass : : Modern periodic table : _______
The modern periodic table has 1 to 7 periods.
Distinguish between:
Group 17 - Group 18
Arrange the following elements in the increasing order of their metallic character
| Mg, | Ca, | K, | Ge, | Ga |
Name two elements that you would expect to show chemical reactions similar to calcium. What is the basis of your choice?
Match the atomic number with the following:
An element of group 2.
