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A certain atom has an atomic number of four. How many protons does it have?
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A certain atom has an atomic number of four. How many protons does it have?

User Corby
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2 Answers

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Answer: 8 Protons

Step-by-step explanation:

I think because consider the element helium. Its atomic number is 4, so it has four protons in its nucleus. Its nucleus also contains four neutrons. Since 4+4=8,the mass number of the helium atom is 8.

User Kirill Oficerov
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5 votes

Answer:

beryllium 4 protons

Step-by-step explanation:

User Kirsten Jones
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