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प्रश्न
Which among the following elements has the largest atomic radii?
पर्याय
Na
Mg
K
Ca
उत्तर
Ca
Explanation -
In the modern periodic table, the atomic radius increases down the group and decreases along the period from left to right. So, out of the given options sodium has the smallest atomic radius while calcium would have the largest atomic radius.
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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 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 scientific reason.
Atomic radius goes on increasing down a group.
The electronic configuration of metal A is 2, 8, 18, 1.
The metal A when exposed to air and moisture forms B a green layered compound. A with con. H2 SO4 forms C and D along with water. D is a gaseous compound. Find A, B, C, and D.
An element X has mass number 40 and contains 21 neutrons in its atom. To which group of the Periodic Table does it belong?
- In below ladder symbols of elements are jumbled up. Rearrange these symbols of elements in the increasing order of their atomic number in the Periodic Table.
- Arrange them in the order of their group also.
Arrange the following as per the instruction given in the bracket:
Carbon, Fluorine, Beryllium (decreasing order of atomic size).
Arrange the following in order of increasing radii:
N, O, P
Explain your choice.
