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प्रश्न
Which is greater in size an atom or an anion?
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उत्तर
An anion is greater than an atom since it is formed by the gain of electrons, and so the number of electrons is greater than the number of protons. The effective positive charge in the nucleus is less, so less inward pull is experienced. Hence, the size expands.
संबंधित प्रश्न
Which is greater in size Fe2+ or Fe3+?
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
Write the name and symbol of the element from the description.
The atom having the smallest size.
Fill in the blanks.
Size of the atoms ______ from left to right across a period and ______ on descending in a group of normal elements.
Select the correct answer
Atomic radii of fluorine and neon in angstrom unit are
The size of an atom depends on the number of valence electrons.
Which of the following is the correct order of atomic size?
Which of the following gives the correct increasing order of the atomic radii of O, F, and N?
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
Which one of the following has the largest atomic radius?
