Question

If an atom contains 9protons and 10 neutrons then its atomic number is​

Answer 1

hey!

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The atomic number is also called the proton number of the element. Since this atom has 9 protons, then its atomic number will be 9 .

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Answer 2

Answer:

9 atomic number......

Explanation:

The atomic number is also called the proton number of the element. Since this atom has 9 protons, then its atomic number will be 9 .