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प्रश्न
Name two elements in Alkaline earth metals.
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उत्तर
Calcium and magnesium.
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संबंधित प्रश्न
What is meant by a period, in a periodic table?
On the basis of electronic configuration, how will you identify chemically similar elements?
(b) What is the number of elements is 3rd period, the modern periodic table?
Name two elements in halogens.
What are the elements.
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
An X element with atomic number 11 and Y element with atomic number 13 belongs to the third period in the modern periodic table. With this information, give the answers of the below questions.
- Which element has more metallic character from these two elements?
- What is the valency of each X and Y elements?
- Atom size of Y element is smaller than atom size of X element? Explain?
The scientist who propounded the modern periodic law is ______.
In the modern periodic table, elements are arranged according to their ______
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
