wires number of
vibrations
wire 1 15
wire 2 12
wire 3 20
wire 4 25

the table shows the number of times metal wires vibrate per second when they are plucked one by one. which wire produced the sound with the highest pitch? a) wire 1 b) wire 2 c) wire 3 d) wire 4

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.