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What trend in atomic radius occurs down a group on the periodic table? What causes the trend?
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Explanation:

the further down the group you go, the larger the radius becomes. its caused by the amount of electrons needed to equal out the charge of the nucleus

Atomic radius increases down the group in the periodic table and due to the increase in the number of shells.

Explanation:

  • The group in the periodic table is a vertical column running from top to bottom.
  • There is a total of 18 groups in the modern periodic table.
  • Elements in the same group have the same number of valence electrons and chemical and physical properties.
  • When we move down in a group the atomic radii of the elements increases because the number shell increases which results in increase atomic radii of the elements
  • Metallic character increases on moving down
  • Non-metallic character decreases on moving down
  • Ionization energy decreases down the group as the atomic size increases the distance of valence electrons from the nucleus also increases which reduces the effective nuclear charge on the valence electrons.

So, from this, we can conclude that atomic radius increases down a group in the periodic table and due to the increase in the number of shells.

Learn more about the modern periodic table here:

brainly.com/question/4287157?referrer=searchResults

brainly.com/question/1447213?referrer=searchResults

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