Questions: Question 52 3 pts Which of the following best describes the atomic number of an atom? the number of protons in the atom the number of electrons in the atom the number of protons, electrons, and neutrons in the atom the number of neutrons in the atom

Question 52 3 pts Which of the following best describes the atomic number of an atom? the number of protons in the atom the number of electrons in the atom the number of protons, electrons, and neutrons in the atom the number of neutrons in the atom
Transcript text: Question 52 3 pts Which of the following best describes the atomic number of an atom? the number of protons in the atom the number of electrons in the atom the number of protons, electrons, and neutrons in the atom the number of neutrons in the atom
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Solution

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Solution Steps

Step 1: Understanding the Atomic Number

The atomic number of an atom is a fundamental property that defines the element. It is specifically the number of protons in the nucleus of an atom. This number is unique for each element and determines the element's identity.

Step 2: Evaluating the Options
  • The first option states that the atomic number is the number of protons in the atom. This is correct.
  • The second option states that the atomic number is the number of electrons in the atom. This is incorrect because the number of electrons can vary in ions.
  • The third option states that the atomic number is the number of protons, electrons, and neutrons in the atom. This is incorrect because the atomic number only counts protons.
  • The fourth option states that the atomic number is the number of neutrons in the atom. This is incorrect because neutrons do not determine the atomic number.

Final Answer

\(\boxed{\text{the number of protons in the atom}}\)

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