Which of the following particles has the least mass? (2020) 2020

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Question: Which of the following particles has the least mass? (2020) 2020

Options:

Correct Answer: Electron

Exam Year: 2020

Solution:

The mass of an electron is significantly less than that of protons and neutrons.

Which of the following particles has the least mass? (2020) 2020

Which of the following particles has the least mass? (2020) 2020

Step 1: Understand that particles are tiny building blocks of matter.
Step 2: Identify the three common particles: protons, neutrons, and electrons.
Step 3: Know that protons and neutrons are found in the nucleus of an atom and have similar masses.
Step 4: Learn that electrons are much smaller and lighter than protons and neutrons.
Step 5: Compare the masses: protons and neutrons have a mass of about 1 atomic mass unit (amu), while electrons have a mass of about 1/1836 amu.
Step 6: Conclude that since electrons have a much smaller mass, they are the lightest of the three particles.

No concepts available.