samantha11915 samantha11915

03-02-2017
Biology

contestada

how does the number of valence electrons for elements change across a period

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yanabanana3 yanabanana3

03-02-2017

do u have any answers so i can choose n help u out

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LaulieBlue LaulieBlue

03-02-2017

They increase in number as you go left to right, but the reactivity decreases as you go left to right. As you go down the table, the nuclear charge increases, but then so does the number of shielding electrons.

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