Advertisements
Advertisements
Question
Arrange the following as per the instruction given in the bracket
Na, K, Li (Increasing atomic size)
Advertisements
Solution
Li < Na < K
APPEARS IN
RELATED QUESTIONS
Arrange the following as per the instruction given in the brackets:
Na, K, Li (Increasing atomic size)
The following questions refer to the Periodic Table.
What happens to the atomic size of elements moving from top to bottom of a group?
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The atomic size:
Some elements and their atomic radii are given here. Arrange them in decreasing order of their atomic radii. Identify which of the above elements is the biggest atom and which is smallest?
| Element | K | Na | Rb | Cs | Li |
| Atomic radius (pm) | 231 | 186 | 244 | 262 | 151 |
Write information about the given atomic numbers in the table.
| Atomic Number | Electronic configuration | Group | Period | Element |
| 10 | ||||
| 20 | ||||
| 7 |
When an atom of iodine becomes an iodine ion (I–) the radius will ______
Atomic number of a few elements are given below
10, 20, 7, 14
- Identify the elements
- Identify the Group number of these elements in the Periodic Table
- Identify the Periods of these elements in the Periodic Table
- What would be the electronic configuration for each of these elements?
- Determine the valency of these elements
- In below ladder symbols of elements are jumbled up. Rearrange these symbols of elements in the increasing order of their atomic number in the Periodic Table.
- Arrange them in the order of their group also.
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
Arrange the following in order of increasing radii:
N, O, P
Explain your choice.
