tristin10999
contestada

Helium is in the _______________ period. All elements in
this period have ___________ shells around the nucleus.
Also giving brainiest :)

Respuesta :

vivihuerta07

Answer:

Helium is in the __1__ period. All elements in this period have __8__ shells around the nucleus. Also giving brainiest :)

kaleenasmith110
i dont know just need points lol but i think its 1 and 8

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