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प्रश्न
Name the type of elements which have outermost shell complete.
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उत्तर
Noble gases
संबंधित प्रश्न
where should hydrogen be placed in the modern periodic table? Give reason for your answer.
Explain why, the first period of the periodic table has only two elements whereas second period has eight elements
Name the type of elements which have outermost shell incomplete.
What is the number of elements in the 1st period?
Mendeleev's periodic table : atomic mass : : Modern periodic table : _______
Distinguish between:
Group 17 - Group 18
Arrange the following elements in the increasing order of their metallic character
| Mg, | Ca, | K, | Ge, | Ga |
The maximum number of electrons that can be accommodated in s, p,d, and f subshells are ______.
An element has the atomic number 12.
- Write the electric configuration.
- To which group and period does it belong.
Name the non-metals in the first twenty elements.
