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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
The isotope 15N has an atomic number of 7.  The nucleus of this isotope contains
A)   7 protons and 8 neutrons.   C)   7 protons and 15 neutrons.
B)   7 neutrons and 15 protons.   D)   7 neutrons and 8 protons.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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doit_the_clown Author
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7 years ago
Thank you, thank you, thank you!
asd454512
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
kater28
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2 hours ago
Good timing, thanks!
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