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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

Question
Asked 10/5/2013 11:45:24 PM
Updated 210 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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Questions asked by the same visitor
What's the net force acting on an 18-kg object if an acceleration of 3.0 m/s2 is produced? A. 6 N B. 36 N C. 12 N D. 54 N
Question
Not Answered
Updated 9/29/2013 2:00:40 PM
5 Answers/Comments
Answer D.

The Formula used is F = ma where:

F is the net force in N,
m is the mass of an object in kg and
a is its acceleration in m/s2.
Added 9/29/2013 12:42:59 PM
Rated good by whalenutz198st, Rated bad by whalenutz198st, Rated good by whalenutz198st
54 n?
Added 9/29/2013 1:06:38 PM
Yes. 54N is the correct answer.
Added 9/29/2013 1:16:45 PM
This answer has been flagged as incorrect.
Rated good by whalenutz198st, Flagged by andrewpallarca
Thank you.
Added 9/29/2013 1:17:37 PM
erikalui, please make sure that you indicate the complete answer not just the letter. It is also important to show the solutions.
Added 9/29/2013 2:00:40 PM
In a controlled experiment, the factor tested is called the A. dependent variable. B. constant. C. control. D. independent variable.
Weegy: In a controlled experiment, the factor tested is called the independent variable. (More)
Question
Expert Answered
Updated 210 days ago|9/26/2016 5:49:30 AM
0 Answers/Comments
Which one of the following SI base units is not matched to the correct unit of measurement? A. Mass: kg B. Temperature: K C. Time: s D. Length: km
Question
Not Answered
Updated 3/31/2015 2:08:02 AM
1 Answer/Comment
Length: km is not matched to the correct unit of measurement.
Added 3/31/2015 2:08:02 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by yumdrea [3/31/2015 2:20:49 AM]
Which one of the following SI base units is not matched to the correct unit of measurement? A. Mass: kg B. Temperature: K C. Time: s D. Length: km
Question
Not Answered
Updated 4/12/2015 11:37:17 AM
1 Answer/Comment
Length: km is not matched to the correct unit of measurement.
Added 4/12/2015 11:37:17 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Janet17 [4/12/2015 11:44:47 AM]
Which one of the following SI base units is not matched to the correct unit of measurement? A. Mass: kg B. Temperature: K C. Time: s D. Length: km
Question
Not Answered
Updated 4/24/2015 1:10:31 AM
1 Answer/Comment
Length: km is not matched to the correct unit of measurement.
Added 4/24/2015 1:10:31 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by yumdrea [4/24/2015 1:20:31 AM]
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