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poizon [28]
3 years ago
13

9. (02.02 мс) Look at the diagram of an atom. What is the atom's mass number? (2 points)

Chemistry
2 answers:
Svetradugi [14.3K]3 years ago
8 0

Answer:

The Atom Mass is the number 7 what the other guy said :)

WARRIOR [948]3 years ago
5 0

Answer:

the atoms mass numbe is seven

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