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प्रश्न
What do you understand by atomic size? State its unit?
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उत्तर
Atomic size is the distance between the centre of an atom's nucleus and its outermost shell. It is measured in Angstroms and Picometres.
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संबंधित प्रश्न
Arrange the following as per the instruction given in the brackets:
Na, K, Li (Increasing atomic size)
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
Size of atom progressively becomes smaller when we move from sodium (Na) to chlorine (CI) in the third period of the periodic table?
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.
The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba. Which one of these elements will form ions most readily and why?
The size of an atom is indicated by its ______.
Right or wrong sentence.
Nanometer unit is used to measure atomic radius.
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 |
Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If the atomic number of carbon is 6, the atomic number of silicon is ______
Which of the following is the correct order of size?
