Question #6464942Single Choice

Chemistry

Question

An isotope of an element has 15 protons and 16 neutrons. What is the mass number of this isotope?

Options

A

15

B

16

C

31

D

32

Answer & Analysis

Answer

C

Analysis

Question Analysis
This question evaluates the student's understanding of the concept of mass number, which is the sum of the number of protons and neutrons in an atom.

Key Concept Explanation
The mass number of an isotope is calculated by adding the number of protons and neutrons in the nucleus.

Step-by-step Solution
1. Identify the number of protons: 15
2. Identify the number of neutrons: 16
3. Calculate the mass number: 1...

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