Advertisements
Advertisements
प्रश्न
State the following:
The group to which the element with an electronic configuration of 2, 8, 2 belongs.
Advertisements
उत्तर
Element [2, 8, 2] belongs to group 2 or [II – A]
APPEARS IN
संबंधित प्रश्न
An element 'X' has mass number 35 and number of neutrons 18. Write atomic number and electronic configuration of 'X'. Also write group number, period number and valency of 'X'.
Why do elements in the same group show similar properties but the elements in different groups show different properties?
In which part of a group would you separately expect the elements to have the greatest metallic character
The electronic configuration of the atom of an element X is 2, 8, 4. In modern periodic table, the element X is places in :
(a) 2nd group
(b) 4th group
(c) 14th group
(d) 8th group
Name the element which has the electronic configuration 2, 8, 3?
Fill in the blank
Oxidising property ________from fluroine to iodine because the power to accpet electron decreases.
How could the atomic radius of a noble gas be compared with the other elements in a period?
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 metals, non-metals, and noble gas in this table.
The electronic configuration of an element is 2, 8, 4. State it:
group and period in the Modern Periodic Table.
Match the option A and B with the statements (i) and (ii):
| A. metal | (i) The metal that forms two types of ion. |
| B. iron | (ii) An element with electronic configuration 2, 8, 8, 3. |
