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प्रश्न
Give the trends in atomic size on moving down the group.
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उत्तर १
The atomic size of an atom increases when we go down a group from top to bottom.
उत्तर २
Moving down a group causes an increase in atomic size, which also changes with period. An additional shell is added, increasing the atom's size.
संबंधित प्रश्न
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Arrange the following in order of increasing radii:
CI- , CI
Write the name and symbol of the element from the description.
The atom having the smallest size.
Write a scientific reason.
Atomic radius goes on increasing down a group.
The following questions refer to the Periodic Table.
What happens to the atomic size of elements moving from top to bottom of a group?
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?
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 are the characteristics of isotopes of an element?
- Isotopes of an element have same atomic masses
- Isotopes of an element have same atomic number
- Isotopes of an element show same physical properties
- Isotopes of an element show same chemical properties
Elements have been arranged in the following sequence on the basis of their increasing atomic masses.
| F, | Na, | Mg, | Al, | Si, | P, | S, | Cl, | Ar, | K |
- Pick two sets of elements which have similar properties.
- The given sequence represents which law of classification of elements?
Which one has the largest size?
