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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
Which is greater in size an atom or a cation?
Give reason for the following:
Argon atom is bigger than chlorine atom.
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Atomic size increases from left to right across a period.
Atomic radius is expressed in the unit _______.
Nanometer unit is used to measure atomic radius.
When an atom of iodine becomes an iodine ion (I–) the radius will ______
The diagram below shows part of the periodic table.
- Which elements would react together to form covalent compounds?
- Between the two elements W and Z, which will have a bigger atomic radius? Why?
Arrange the following in order of increasing radii:
N, O, P
Explain your choice.
This question refers to the elements of the Periodic Table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| A | B | C | D | E | F | G | H |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| I | J | K | L | M | N | O | P |
Which of these have least atomic size in period 3?
