anthonyroman78 anthonyroman78

19-10-2020
Chemistry

contestada

1. Which statement is true about oxygen,
sulfur, and selenium? scap.8.0
^ They belong to the same group.
© They belong to the same period.
The mass number doubles between each
element.
0 The atomic number increases by eight
between each clement,

Respuesta :

rr1187653 rr1187653

19-10-2020

Answer:

they belong to same grop

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