asked 153k views
4 votes
The mass number of this atom is_________



The mass number of this atom is_________ ​-example-1
asked
User Kdoteu
by
7.4k points

1 Answer

3 votes

Answer:

7

Step-by-step explanation:

The mass number is neutrons plus protons

answered
User DJViking
by
8.6k points
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