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Author Question: The closest star to the Sun is named a. Polaris. b. Sirius. c. Betelgeuse. d. Proxima ... (Read 35 times)

CORALGRILL2014

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on: Jul 28, 2018
The closest star to the Sun is named
 a. Polaris.
  b. Sirius.
  c. Betelgeuse.
  d. Proxima Centauri.

Question 2

When a hydrogen electron is in its ground state, its principal quantum number is
 a. zero.
  b. 13.6 eV.
  c. 1.
  d. +13.6 eV.
  e. none of these.


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scrocafella

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Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


CORALGRILL2014

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


scrocafella

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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