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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 |
Which type of ion will be formed by elements A, B, and C.
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उत्तर
Element A will form a positive ion 1+ (cation).
Element B will form a positive ion 2+ (cation).
Element C will form a negative ion 1- (anion).
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संबंधित प्रश्न
Name the element which is in first group and third period.
How does Nature of oxides of elements change on going from left to right in a period of the periodic table?
Give examples in support of your answer.
For each of the following triads, name the element with the characteristics specified below:
| Elements | Least atomic radius | Chemically least reactive |
| (i) F, Cl, Br (ii) Li, Na, K |
.................... .................... |
.................... .................... |
How does the tendency to gain electrons change as we go down in group 17 of the periodic table? Why does it change this way?
Which of the following is the valence shell for the elements of second period of the modern periodic table?
(a) M shell
(b) K shell
(c) L shell
(d) N shell
Periodicity is observed due to the similar ______.
How many elements are there in period 2?
The following questions refer to the Periodic Table.
Name the first and last element in period 2.
An element A has 2 electrons in its fourth shell. State:
position in the periodic table
Name or state following with reference to the element of the first three periods of the periodic table.
The non-metallic element present in period 3 other than sulphur and chlorine.
