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Author Question: A neutral boron atom has 5 electrons, but in this case all but one of its electrons have been ... (Read 237 times)

asd123

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on: Jul 29, 2018
A neutral boron atom has 5 electrons, but in this case all but one of its electrons have been knocked off. How much energy (in electron-volts) is needed to remove the last electron?
 
  What will be an ideal response?

Question 2

An ideal solenoid having a coil density of 5000 turns per meter is 10 cm long and carries a current of 4.0 A. What is the strength of the magnetic field at its center?
 
  A) 13 mT B) 3.1 mT C) 6.2 mT D) 25 mT


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courtney_bruh

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Reply #1 on: Jul 29, 2018
Answer to Question 1

340 eV

Answer to Question 2

D


asd123

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Reply #2 on: Jul 29, 2018
Thanks


courtney_bruh

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Reply #3 on: Jul 29, 2018
Welcome :)


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