Question

Discuss the trend of atomic radius in period and group of modern periodic table

Answer 1

Answer:

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Answer 2

Answer: The atomic radius usually increases while going down a group due to the addition of a new energy level (shell which causes shrinkage in the size of the atoms across the period). However, atomic radii tend to increase diagonally, since the number of electrons has a larger effect than the size able nucleus.

• Atomic radii-An atomic radius is half the distance between adjacent atoms of the same element in a molecule.

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