Suthiaminiwil Suthiaminiwil

05-12-2016
Chemistry

contestada

Which of the answer choices accurately describes a trend that occurs when moving left to right across periods?

(Select all that apply.)

reactivity increases
atomic radius increases
atomic mass increases
valence electrons decrease

Respuesta :

lyndalejones13 lyndalejones13

05-12-2016

atomic radius is the correct answer

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