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5 votes
17 p
18 n
What is the atomic number of this element?

User Abroekhof
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1 Answer

1 vote

Answer:

17

Step-by-step explanation:

The atomic number is the number of protons in an element. This atom has 17 protons and 18 neutrons. So, the atomic number of this element would be 17.

User Martin Claesson
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