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प्रश्न
State the number of elements in Period 3 of the Periodic Table.
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उत्तर
Period 3 is a short period that has 8 elements.
संबंधित प्रश्न
Give two example of group 1 elements.
On which side of the periodic table will you find metals?
What is the main characteristic of the last elements in the periods of the periodic table? What is the general name of such elements?
Name the type of elements which have outermost shell complete.
Find the correlation:
Mendeleev’s periodic table : atomic mass : : Modern periodic table : _______
Right or wrong sentence.
The modern periodic table has 1 to 7 periods.
Identify gas A in the following experiment.
What is the symbol of the element Tungsten?
A part of modern periodic table is given below. On its basis, answer the following questions:
| Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
Which of the element is a Metalloid?
Select the appropriate options and complete the following paragraph:
(metals, non-metals, metalloids, four, seven, s-block, p-block, d-block, f-block).
On the basis of electronic configuration, elements in the modern periodic table are classified Into ______ blocks. Groups 1 and 2 elements are included in ______ and all these elements are metals. (except Hydrogen). Group 13 to 18 elements are included in ______. This block contains metals, non-metals and metalloids. Group 3 to 12 elements are included in ______ and all the elements are ______ elements shown at the bottom of the periodic table i.e. Lanthanides and Actinides constitute ______ and all these elements are metals.
