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Metal A has no reading on the ammeter with frequency at light at 6.0 x 10^14 s^-1, no light emmitted at 9.0 x 10^14 s^-1, and light emmitted at 12.0 x 10^14 s^-1. Identify the metal.
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it could be Na :P
are you confident you copied down the question correctly? light emitted or electrons emitted?
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