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प्रश्न
Fill in the blanks.
Size of the atoms ______ from left to right across a period and ______ on descending in a group of normal elements.
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उत्तर
Size of the atoms Decrease from left to right across a period and increase on descending in a group of normal elements.
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संबंधित प्रश्न
Arrange the following as per the instruction given in the bracket:
Mg, Cl, Na, S, Si (decreasing order of atomic size).
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Why is the size of neon greater than fluorine?
Give scientific reasons for the following:
Atomic radius goes on decreasing while going from left to right in a period.
Arrange the following in increasing order of property indicated
I, I+, I- (atomic size)
What happens to the atomic size of elements on moving from left to right in a period?
Nanometer unit is used to measure atomic radius.
The diagram below shows part of the periodic table.
- Which elements would react together to form covalent compounds?
- Between the two elements W and Z, which will have a bigger atomic radius? Why?
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
