asked 55.7k views
2 votes
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

asked
User Selmaril
by
7.8k points

1 Answer

2 votes
atomic radius is the correct answer

answered
User BZink
by
8.2k points

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