December 22, 2024, 12:13:27 PM
Forum Rules: Read This Before Posting


« previous next »
Pages: [1]   Go Down

Topic: The Mass Of An Atom  (Read 3122 times)

0 Members and 1 Guest are viewing this topic.

Offline Kax0r

  • New Member
  • **
  • Posts: 6
  • Mole Snacks: +0/-0
The Mass Of An Atom
« on: September 10, 2010, 02:53:50 PM »
Which of the following explains why the mass of an atom is less than the sum of the masses of its constituent subatomic particles?

a. entropy
b. conservation of matter
c. the mass defect
d. conservation of momentum]


Would SERIOUSLY appreciate some help. I'm 8/9 on my 10 part chemistry quiz and this question is the difference between and A and a B.
Logged

Offline sjb

  • Global Moderator
  • Sr. Member
  • ***
  • Posts: 3653
  • Mole Snacks: +222/-42
  • Gender: Male
Re: The Mass Of An Atom
« Reply #1 on: September 10, 2010, 03:37:48 PM »
Quote from: Kax0r on September 10, 2010, 02:53:50 PM
Which of the following explains why the mass of an atom is less than the sum of the masses of its constituent subatomic particles?

a. entropy
b. conservation of matter
c. the mass defect
d. conservation of momentum]


Would SERIOUSLY appreciate some help. I'm 8/9 on my 10 part chemistry quiz and this question is the difference between and A and a B.

Have you tried searching for each of these terms on, for example wikipedia?
Logged

Offline Kax0r

  • New Member
  • **
  • Posts: 6
  • Mole Snacks: +0/-0
Re: The Mass Of An Atom
« Reply #2 on: September 10, 2010, 03:48:54 PM »
Yes, and I'm so far very much leaning towards C but I'm looking for a little verification.
Logged

Offline MrTeo

  • Chemist
  • Full Member
  • *
  • Posts: 312
  • Mole Snacks: +31/-9
  • Gender: Male
Re: The Mass Of An Atom
« Reply #3 on: September 10, 2010, 06:19:53 PM »
Quote from: Kax0r on September 10, 2010, 03:48:54 PM
Yes, and I'm so far very much leaning towards C but I'm looking for a little verification.

You're right: part of the mass of the subatomic particles is converted into energy and used to bond them (nuclear interactions).
Logged
The way of the superior man may be compared to what takes place in traveling, when to go to a distance we must first traverse the space that is near, and in ascending a height, when we must begin from the lower ground. (Confucius)

Offline opti384

  • Full Member
  • ****
  • Posts: 434
  • Mole Snacks: +33/-25
  • Gender: Male
    • In the Search for the Laws of Nature
Re: The Mass Of An Atom
« Reply #4 on: September 11, 2010, 06:52:09 AM »
Think about E=mc^2
Logged
Pages: [1]   Go Up
« previous next »
Sponsored Links