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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
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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

User Selmaril
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1 Answer

2 votes
atomic radius is the correct answer

User BZink
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