Crybabycrybay526 Crybabycrybay526

02-11-2020
Chemistry

contestada

Elements in an element group have similar

1) atomic number.
2) mass number.
3) chemical symbols.
4) chemical properties and the same number of valence electrons.

Respuesta :

candice3921 candice3921

05-11-2020

Answer:

chemical properties and the same number of valence electrons

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