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How many protons are in an element with an atomic number of 8 and a mass number of 18? A 8 B 3 C 18 D 10
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How many protons are in an element with an atomic number of 8 and a mass number of 18? A 8 B 3 C 18 D 10

User Nicko
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2 Answers

6 votes

Answer:

d

Step-by-step explanation:

I did the test

User Gep
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2 votes

Answer:

D

Step-by-step explanation:

18-8=10

User Kevin Gallahan
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