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प्रश्न
______ and ______ are called inner transition elements.
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उत्तर
Lanthanides and Actinides are called inner transition elements.
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संबंधित प्रश्न
How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?
How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?
What is the main characteristic of the last element in each period of the periodic table?
What would be the correct order if Zn, Fe, Al and Cu are arranged in increasing order of reactivity?
Name an element of group 18 which can form compounds.
Give the symbol and valency of the following element and radical.
Bicarbonate
Give the symbol and valency of the following element and radical.
Bisulphite
Give the symbol and valency of the following element and radical.
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Right or wrong sentence.
The modern periodic table has 1 to 7 periods.
Position of A, B and C three elements is given in the table from the modern periodic table. Answer the following questions.
| Periods | Group 2 | Group 17 |
| 2 | ----- | A |
| 3 | B | ----- |
| 4 | ----- | C |
- What is an element metal or nonmetal?
- Which is the outermost orbit of element B?
- Identify C element and it's physical state.
