aniya38846
aniya38846 aniya38846
  • 12-02-2021
  • Chemistry
contestada


In rows
by, elements with the same number of

Respuesta :

queen0790
queen0790 queen0790
  • 16-02-2021

Answer:

All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor. Arranged this way, groups of elements in the same column have similar chemical and physical properties, reflecting the periodic law.

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