Which statement MOST LIKELY describes what changes when moving downwards from fluorine to chlorine on the periodic table?
A) The classification changes from nonmetal to metal
B) The ionic charge of the elements changes from positive to negative
C) The number of valence electrons increase
D) The number of total electrons increase
Answers: 2
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Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?
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