This topic contains a solution. Click here to go to the answer

Author Question: The closest star to the Sun is named a. Polaris. b. Sirius. c. Betelgeuse. d. Proxima ... (Read 93 times)

CORALGRILL2014

  • Hero Member
  • *****
  • Posts: 525
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
Answer to Question 1

d

Answer to Question 2

c



CORALGRILL2014

  • Hero Member
  • *****
  • Posts: 525
Both answers were spot on, thank you once again



scrocafella

  • Sr. Member
  • ****
  • Posts: 346

 

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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.

For a complete list of videos, visit our video library