Morganlawson1355 Morganlawson1355

04-10-2020
Chemistry

contestada

electron configuration for be+2

Respuesta :

kuttysimba kuttysimba

13-10-2020

Answer:

atomic number of Be =4

electronic configuration :1s²2s²

but for Be2+ atomic number = 4-2 =2

electronic configuration : 1s²

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