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

Author Question: Rutherford assumed that the atomic nucleus was positively charged because ________. A) electrons ... (Read 105 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
on: Aug 27, 2018
Rutherford assumed that the atomic nucleus was positively charged because ________.
 
  A) electrons were already established to be negatively charged
  B) the alpha particles that ricocheted off of the nucleus are also positively charged
  C) he had a very optimistic outlook on life
  D) Two of the above are reasonable answers

Question 2

Heat is given off by a substance when that substance ________.
 
  A) evaporates
  B) freezes
  C) melts
  D) boils
  E) C and D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vish98

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

B


beccaep

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Aug 27, 2018
TY


vish98

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Aug 27, 2018
You're welcome


« previous next »
 

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

The nucleus and nuclear envelope The nucleus and nuclear envelope
Electron atomic and molecular orbitals Electron atomic and molecular orbitals
Electrons Electrons
Covalent bonds form by the sharing of electrons Covalent bonds form by the sharing of electrons
Opener Chromosome territories in a chicken cell nucleus Opener Chromosome territories in a chicken cell nucleus
Mitosis One diploid nucleus to two diploid nuclei Mitosis One diploid nucleus to two diploid nuclei
Video: Depolarization of the SA node, Action potentials of the myocardium & ANS effects

For a complete list of videos, visit our video library