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प्रश्न
Arrange the following in increasing order of property indicated
I, I+, I- (atomic size)
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उत्तर
I+ < I < I-
Size of a cation is always smaller than the corresponding atom due to decrease in number of electrons and increase in effective nuclear charge i.e., greater force of attraction by the nucleus on the electrons.
Size of an anion is always more than the corresponding atom due to decrease in effective nuclear charge i.e., lesser force of attraction by the nucleus o the electrons.
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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).
Give the trends in atomic size on moving across the period left to right.
Which is greater in size an atom or a cation?
Which is greater in size Fe2+ or Fe3+?
What happens to the atomic size of elements on moving from left to right in a period?
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.
On moving from left to right in a periodic table, the size of the atom ______.
The size of an atom is indicated by its ______.
Write an explanation.
Atomic radius
Arrange the following as per the instruction given in the bracket:
Carbon, Fluorine, Beryllium (decreasing order of atomic size).
