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

Author Question: A neutral atom always has A) more neutrons than protons. B) more neutrons than ... (Read 98 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
on: Jul 29, 2018
A neutral atom always has
 
  A)
 
  more neutrons than protons.
  B)
 
  more neutrons than electrons.
  C)
 
  more protons than electrons.
  D)
 
  the same number of neutrons as protons.
  E)
 
  the same number of protons as electrons.

Question 2

A beam of light with a frequency range of 3.01  1014 Hz - 6.10  1014 Hz is incident on a metal surface. If the work function of the metal surface is 2.20 eV,
 
  what is the range of frequencies in this beam of light that will be responsible for ejecting electrons from this metal surface?
  A)
 
  1.12  1014 Hz - 5.31  1014 Hz
  B)
 
  1.12  1014 Hz - 3.10  1014 Hz
  C)
 
  3.01  1014 Hz - 6.10  1014 Hz
  D)
 
  5.31  1014 Hz - 6.10  1014 Hz
  E)
 
  None


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

D


bio_gurl

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 29, 2018
Thanks


allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Diagrams showing the multiple energy shells and orbitals of a nitrogen atom Diagrams showing the multiple energy shells and orbitals of a nitrogen atom
The iron atom of heme has six coordination bonds: four in the plane The iron atom of heme has six coordination bonds: four in the plane
Atom Atom
Isotopes may be stable or radioactive depending on the arrangement and number of neutrons in the nuc Isotopes may be stable or radioactive depending on the arrangement and number of neutrons in the nuc
The atom. The atom.
A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ... A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ...
Video: Stomach peristalsis - Movement of Food Through the Small Intestine

For a complete list of videos, visit our video library