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einsteindude einsteindude
wrote...
Posts: 5058
9 years ago
Which of the following is NOT true for the atoms 13N, 14N, and 15N?
A) They all have the same mass number.
B) They are isotopes.
C) They all have the same atomic number.
D) They all have 7 protons.
E) They all have 7 electrons.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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f_zah1f_zah1
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Posts: 10774
9 years ago
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einsteindude Author
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9 years ago
You make an excellent tutor!
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Yesterday
Good timing, thanks!
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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