Sagot :
Answer:
D. 3
Explanation:
H contains one proton and three neutrons in its nucleus.
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04 - 01 - 22
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H contains one proton and three neutrons in its nucleus.
------------------------------------------
04 - 01 - 22
@xXxTogaHimikoxXx
./\. . ./\.
( • _ • )
==*==
( V V )~***
brainliest :)