Chemistry, 20.01.2021 22:20 Justadumbemo

The picture provided shows the arrangement of electrons in atomic shells around the nucleus of four different elements. Which statement is true about these elements?

A) All elements belong to the same period.
B) All elements belong to the same group.
C) Elements 1 and 4 belong to the same group.
D) Elements 2 and 3 belong to the same period.

The picture provided shows the arrangement of electrons in atomic shells around the nucleus of four

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