Problem

An atom contains 15 protons, 16 neutrons and 15 electrons. What is its atomic number?

Answer

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Answer

The atomic number of an atom is equal to the number of protons in its nucleus. So, to find the atomic number of the atom, we simply need to determine how many protons it contains.

Steps

Step 1 ：The atomic number of an atom is equal to the number of protons in its nucleus. So, to find the atomic number of the atom, we simply need to determine how many protons it contains.

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