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प्रश्न
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The atomic size:
विकल्प
Decreases
Increases
Remains the same
Sometimes increases and sometimes decreases
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उत्तर
Decreases
संबंधित प्रश्न
What do you understand by atomic size? State its unit?
Arrange the following in order of increasing radii:
CI- , CI
Fill in the blanks.
Size of the atoms ______ from left to right across a period and ______ on descending in a group of normal elements.
What happens to the atomic size of elements on moving from left to right in a period?
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.
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 is the correct order of atomic size?
An element with the largest atomic radius among the following is ______.
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
