Science smarts, I NEED HELP!!

Johnny
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Science smarts, I NEED HELP!! Dec 12, 2007 21:59:16 GMT -5

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Post by Johnny on Dec 12, 2007 21:59:16 GMT -5

Okay.
Tomorow I have a science test and blah blah blah.
Anyways, I forgot to study, but I have just a few easy questions.

1. How do I find the # of valence electrons.
2. How to I find number of nuetrons.
3. How do I find the mass #.

Help is greatly apperciated.

Cult Member BriGuy WF Icon Really needs that Hulkamania font Joined on: Jan 10, 2004 23:20:30 GMT -5 Posts: 11,246	Science smarts, I NEED HELP!! Dec 12, 2007 22:01:56 GMT -5 Quote Select Post Deselect Post Link to Post Back to Top Post by Cult Member BriGuy on Dec 12, 2007 22:01:56 GMT -5 google
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Greg Weinstein WF Hall of Famer *WF 10 Year Member* The more you know, the more you know you don't know Joined on: Dec 18, 2001 15:13:21 GMT -5 Posts: 19,095	Science smarts, I NEED HELP!! Dec 12, 2007 22:03:37 GMT -5 Quote Select Post Deselect Post Link to Post Back to Top Post by Greg Weinstein on Dec 12, 2007 22:03:37 GMT -5 You don't have some sort of textbook for this crap?
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Kliquid
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Science smarts, I NEED HELP!! Dec 12, 2007 22:15:12 GMT -5

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Post by Kliquid on Dec 12, 2007 22:15:12 GMT -5

www.dayah.com/periodic/Images/periodic%20table.png - Periodic Table. Always have one of these with you when you're doing chemistry.

1. en.wikipedia.org/wiki/Valence_electrons - Read this page
2. education.jlab.org/qa/pen_number.html - Read this page
3. The number listed below each element is its Atomic weight. To find the mass, just round the atomic weight to the nearest whole number (for example, Tin [Sn] is 119).

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perilloboy123 Guest	Science smarts, I NEED HELP!! Dec 12, 2007 22:16:48 GMT -5 Quote Select Post Deselect Post Link to Post Back to Top Post by perilloboy123 on Dec 12, 2007 22:16:48 GMT -5 This is really simple stuff. I looked on Wikipedia and most of the answers are on there. I could explain it to you easily, but I don't have the time to right now.

The Sam Kinnison Corps WF Hall of Famer Joined on: Aug 15, 2003 10:59:41 GMT -5 Posts: 16,219	Science smarts, I NEED HELP!! Dec 12, 2007 22:20:27 GMT -5 Quote Select Post Deselect Post Link to Post Back to Top Post by The Sam Kinnison Corps on Dec 12, 2007 22:20:27 GMT -5 AZN
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Post by Johnny on Dec 12, 2007 21:59:16 GMT -5

Post by Cult Member BriGuy on Dec 12, 2007 22:01:56 GMT -5

Post by Greg Weinstein on Dec 12, 2007 22:03:37 GMT -5

Post by Kliquid on Dec 12, 2007 22:15:12 GMT -5

Post by perilloboy123 on Dec 12, 2007 22:16:48 GMT -5

Post by The Sam Kinnison Corps on Dec 12, 2007 22:20:27 GMT -5