Respuesta :

zaragosacity

Answer:

Elements are arranged from left to right and top to bottom in order of  increasing atomic number. As, The modern periodic law tells that the Elements in the modern periodic table are arranged by increasing atomic numbers.

Answer:

See below ~

Explanation:

Properties used to arrange elements

  • Atomic number
  • Valency
  • Number of shells
  • Melting Point
  • Electronic Configuration
  • etc.