- A transition metal is a Group A element. True False?

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A relay has a coil resistance of 100 Ω and its coil is rated at 0.2 A What is the voltage rating of this relay? Calculate the wavelength (in nm) of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3? Whatssup? THIS ONE. Solve it chemistry experts? Roughly how many cubic feet a refrigerator would have, if it is 58 inches high, 28 inches wide, and 30 inches deep. Just for an idea. Thanks? In order to become a dentist, pharmacist or some sort of science job, should I take AP Physics 2 in highschool? I'm already taking AP Phys 1?