This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The closest star to the Sun is named a. Polaris. b. Sirius. c. Betelgeuse. d. Proxima ... (Read 76 times)

CORALGRILL2014

  • Hero Member
  • *****
  • Posts: 525
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

scrocafella

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


CORALGRILL2014

  • Hero Member
  • *****
  • Posts: 525
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


scrocafella

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Balmer Lines in the Spectrum of a Star Balmer Lines in the Spectrum of a Star
Center of Mass of a Binary Star System Center of Mass of a Binary Star System
This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
How Skeletal Muscles are Named How Skeletal Muscles are Named
Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ... Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ...
Smooth Brittle Star. Smooth Brittle Star.
Video: Polysaccharides

For a complete list of videos, visit our video library