The atomic radius of Li, Na and K are 1: 33A, 1. 54A and 1. 96A res pectively. Which of the following explaqins this gradation in atomic radius? - SchoolNGR

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The atomic radius of Li, Na and K are 1: 33A, 1. 54A and 1. 96A res pectively. Which of ...

The atomic radius of Li, Na and K are 1: 33A, 1. 54A and 1. 96A res pectively. Which of the following explaqins this gradation in atomic radius?

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A Electropositivity decreases from Li to Na to K
B Electronegativity decreases from Li to Na to K
C The number of the electron shells increases from Li to Na to K
D The elements are in the same period

Correct Answer: Option C

Explanation:

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