Question

4. Which of the following has the largest size?
(a) N (b) O (c) S (d) P​

Answer 1

Answer:

N

Explanation:

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Answer 2

Answer:

Among the given elements, element that will be having largest atomic size would be (d) P or phosphorous

Reason - The atomic size increases down the group. Hence, atomic group of S and P is greater than both O and N. Now, the atomic size decreases across a period and hence, size of P is greater than S, making P the atom having largest atomic size among the given elements.

Explanation:

Moseley gave the Modern Periodic law which states that “Physical and chemical properties of the factors are periodic features in their atomic numbers”. In the modern periodic table, elements were organized in line with their atomic numbers and as said above atomic numbers are without delay associated with their physical and chemical properties. That’s why elements display periodicity of their physical and chemical properties withinside the periodic table. For example, as we flow from left to right in a period, atomic size decreases.

The recurrence of comparable electronic configuration withinside the periodic table is the motive behind periodicity. Thus, we will say that elements having comparable electronic configurations have comparable properties. Periodic trends offer chemists with a short and clean tool to quick expect the properties of elements.

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