Advertisements
Advertisements
प्रश्न
Name or state following with reference to the element of the first three periods of the periodic table.
A metal in period 3 having valency 3.
Advertisements
उत्तर
Metal in period 3 is A1 [Aluminium]
APPEARS IN
संबंधित प्रश्न
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is ______.
Given alongside is a part of the periodic table. As we move vertically downward from Li to fr?
| Li | Be |
| Na | |
| K | |
| Rb | |
| Cs | |
| Fr | |
| rA | Ra |
What happens to the size of atoms?
Given alongside is a part of the periodic table. As we move vertically downward from Li to Fr:
| Li | Be |
| Na | |
| K | |
| Rb | |
| Cs | |
| Fr | Ra |
What happens to their metallic character?
Correct the statements.
Elements in the same periods have equal valency.
State the trends in physical properties on moving down the group. Give an example to illustrate.
Name the element which has the electronic configuration 2, 8, 3?
The following questions refer to the Periodic Table.
What is the common feature of the electronic configurations of the elements in group 7?
Arrange the following as per instruction given in the bracket.
Li, K, Na, H ( decreasing order of their potential ionisation )
Select the correct answer from the options given below.
It is a period having elements from atomic no. 11 to 18.
Select the correct answer from the options given below.
Is the group number of the element whose atomic number is 4.
