oliviaclark052005 oliviaclark052005

22-11-2020
Chemistry

contestada

Which of these elements has an electron dot
notation that is different from the rest?
O radon, Rn
O krypton, Kr
O helium, He
Xenon, Xe
neon, Ne
argon, Ar
Postpone
SIIRMIT

Respuesta :

ivyong22 ivyong22

25-11-2020

Answer:

i think is o helium, He........

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