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प्रश्न
Give the trends in atomic size on moving down the group.
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उत्तर १
The atomic size of an atom increases when we go down a group from top to bottom.
उत्तर २
Moving down a group causes an increase in atomic size, which also changes with period. An additional shell is added, increasing the atom's size.
संबंधित प्रश्न
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Give reason for the following:
Argon atom is bigger than chlorine atom.
Write a scientific reason.
Atomic radius goes on increasing down a group.
Fill in the blanks.
Size of the atoms ______ from left to right across a period and ______ on descending in a group of normal elements.
Supply the missing word from those in the brackets:
If an element has seven electrons in its outermost shell then it is likely to have the ______ (largest/ smallest) atomic size among all the elements in the same period.
Atomic radius is expressed in the unit _______.
Nanometer unit is used to measure atomic radius.
Write scientific reason.
In same period, boron and oxygen elements have different atomic size.
- 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.
An element with the largest atomic radius among the following is ______.
