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प्रश्न
The position of elements A, B, C, D and E in the periodic table are shown below:
|
Group 1 |
Group 2 |
Group 17 |
Group 18 |
|
|
|
|
D |
|
|
B |
C |
|
|
A |
|
|
E |
State which is most reactive (i) metal (ii) non-metal
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उत्तर
Most reactive
(i) Metals: Alkali metals (Group I); Caesium
(ii) Non-metals: Halogens (Group 17); Fluorine
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संबंधित प्रश्न
Rewrite the following statement after correction, if necessary:
Elements in the same period have equal valency
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State the trends in physical properties on moving down the group. Give an example to illustrate.
An element X belong to 3rd periods and group II of the periodic table state:
the number of valence electrons,
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Fill in the blank
There are ______ groups and ______ periods in the modern form of periodic table.
Select the correct answer
Number of shells in potassium are
Arrange the following in order of increasing radii:
N, O, P
The position of elements A, B, C, D and E in the periodic table are shown below:
|
Group 1 |
Group 2 |
Group 17 |
Group 18 |
|
|
|
|
D |
|
|
B |
C |
|
|
A |
|
|
E |
Which type of ion will be formed by elements A, B, and C.
