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प्रश्न
Why is the size of sodium is greater than magnesium?
उत्तर
Since atomic number of magnesium is more than sodium but the numbers of shells are same, the nuclear pull is more in case of Mg atom. Hence its size is smaller than sodium.
संबंधित प्रश्न
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size
On moving from left to right in a periodic table, the size of the atom _______.
Write an Explanation.
Atomic radius
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?
Write the formula of the product formed when the element A (atomic number 19) combines with the element B (atomic number 17). Draw its electronic dot structure. What is the nature of the bond formed?
An element with the largest atomic radius among the following is ______.
Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (decreasing order of atomic size)
Arrange the following in order of increasing radii:
Cl−, Cl
Explain your choice.
