« previous next »

Author Question: Which one of the hydrogen atoms below is EMITTING light at a wavelength in the Balmer series? a. ... (Read 78 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
on: Jul 27, 2018
Which one of the hydrogen atoms below is EMITTING light at a wavelength in the Balmer series?
 
  a. second energy level to first (most bound)
  b. third energy level to second
  c. fourth energy level to third
  d. second energy level to third
  e. first energy level to second

Question 2

The vernal equinox occurs above the same geographic point on Earth from year to year.
 
  a. True
  b. False
  Indicate whether the statement is true or false


Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

False


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Electron Shells Determine the Reactivity of Atoms. Electron Shells Determine the Reactivity of Atoms.
Hydrogen Bonds Can Form Between or Within Molecules Hydrogen Bonds Can Form Between or Within Molecules
Light rays coming from an object to the retina. Light rays coming from an object to the retina.
Shirin Neshat, Rebellious Silence, from the series Women of Allah. Shirin Neshat, Rebellious Silence, from the series Women of Allah.
Massage the feet. Finish with light connecting strokes over the entire leg. Redrape the leg. Massage the feet. Finish with light connecting strokes over the entire leg. Redrape the leg.
Short-wavelength flux is reflected by Earth Short-wavelength flux is reflected by Earth
Video: The Pressure Flow Model in a Plant

For a complete list of videos, visit our video library