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24 votes
24 votes
What letters in the middle of an element card represent?

How can you predict which element an atom is based on one of the two subatomic particles in the nucleus?

Which two of the three subatomic particles have an effect on the mass of an atom?

User EDS
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1 Answer

10 votes
10 votes

Answer:

I think it's the second answer

User Hamelraj
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