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Q: If an atom contains 12 protons and 10 neutrons, what's its mass number? A. 22 B. 10 C. 12 D. 2
A: If an atom contains 12 protons and 10 neutrons, its mass number is: 22. Mass number = Number of protons + Number of neutrons. 12 +10 = 22
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User: If an atom contains 12 protons and 10 neutrons, what's its mass number? A. 22 B. 10 C. 12 D. 2

Weegy: If an atom contains 12 protons and 10 neutrons, its mass number is: 22. Mass number = Number of protons + Number of neutrons. 12 +10 = 22
Expert answered|vjmeneses01|Points 126|

User: Which object emits the most radiation? A. Ice B. Water C. Dirt D. Fire

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Asked 10/5/2013 11:45:24 PM
Updated 244 days ago|9/26/2016 5:51:31 AM
1 Answer/Comment
This conversation has been confirmed as correct, not copied, and helpful.
Edited by Janet17 [9/26/2016 5:51:16 AM], Confirmed by Janet17 [9/26/2016 5:51:31 AM]
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Fire emits the most radiation.

Added 8/3/2014 4:40:14 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by selymi [9/1/2014 6:17:34 AM]
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Updated 11/3/2014 8:59:07 PM
1 Answer/Comment
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Added 11/3/2014 8:59:07 PM
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Confirmed by yumdrea [11/4/2014 1:18:10 PM]
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Updated 9/7/2014 6:55:09 AM
1 Answer/Comment
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Updated 9/6/2014 11:58:24 AM
1 Answer/Comment
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Added 9/6/2014 11:58:24 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by yumdrea [9/6/2014 12:11:54 PM]
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