Question Detail

CHM 101 Quantum Theory and Atomic Structure Objective Question
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Question

What information does the atomic number of an element provide?
Options
A The total number of protons and neutrons
B The number of protons in the nucleus
Correct Answer
C The number of neutrons in the nucleus
D The mass of the atom
Correct Answer

Option B is the correct answer.

Detailed Explanation

The atomic number of an element indicates the number of protons in the nucleus of an atom. It uniquely identifies the element and, in a neutral atom, also equals the number of electrons.

Hint

Recall the definition of atomic number in nuclear notation.

Question Info

Course: CHM 101
Topic: Quantum Theory and Atomic Structure
Type: Objective
Difficulty: Not specified
Question 1534 of 1872
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