Respuesta :

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Answer:

Explanation:

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jcherry99

Answer:

Explanation:

  • Group 2 consists of the elements in the second column.
  • They all have a combining number (valence number) of 2+ after giving away 2 electrons.
  • They start with Beryllium (element 4 in the periodic table)  and end with Radium (element 88 in the periodic table).