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प्रश्न
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उत्तर
Within a group the element with the largest size is expected to be present at the bottom of the group.
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संबंधित प्रश्न
Size of atom progressively becomes smaller when we move from sodium (Na) to chlorine (CI) in the third period of the periodic table?
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
Give scientific reasons for the following:
Atomic radius goes on decreasing while going from left to right in a period.
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
Fill in the blank by selecting the correct word from the bracket.
If an element has seven electrons in its outermost shell then it is likely to have the _____ atomic size among all the elements in the same period.
The size of an atom depends on the number of valence electrons.
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 |
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.
