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प्रश्न
Name and state the following with reference to the elements of the first three periods of the periodic table.
A covalent compound formed by an element in period 2 and a halogen.
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उत्तर
Carbon tetrachloride (CCl4)
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संबंधित प्रश्न
State whether the following statement is true or false:
On going down in a group of the periodic table, the number of valence electrons increases.
Give the group number of following elements present in periodic table
What is the main characteristic of the last element in each period of the periodic table?
Give the symbol and valency of the following element and radical.
Magnesium
The groups 1 and 2 constitute the ______ block.
Find the correlation:
Group 1 and 2 : s block : : group 13 and 18 : ______
p-block is composed of groups 1 and 2.
Write a scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
The inert gas which lies in the third period is ______
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.
