Which of the following subatomic particles has a mass nearly equal to that of a proton?

A. Electron
B. Neutron
C. Photon
D. Positron

Answer: Neutron

Additional Information: Neutrons have a mass nearly equal to that of protons, while electrons are much lighter.

Related MCQs

Which scientist discovered the neutron?
What type of bond is formed when electrons are shared between two atoms?
What is the process called when an acid donates a proton?
What type of decay involves the emission of a gamma ray?
What is the term for the energy associated with the motion of particles?
What do you call the electrons in the outermost shell?
Which quantum number can have values of -1, 0, and +1?
What is an electron cloud?
Which of the following elements is a halogen?
What is the unit of atomic mass?
What is the primary reason for the high boiling point of water?
What is the name of the process where a liquid turns into a gas?
Which type of reaction absorbs energy from its surroundings?
What is the charge on an alpha particle?
What is the name of the model that describes the atom as having a dense nucleus surrounded by electrons?

Search for: