CMAC Chapter 4 Practice and Review
Exam Questions and Answers (Latest
Update 2026)
Cathode Ray -
correct answer ✅a stream of electrons produced at the negative
electrode (cathode) of a tube containing a gas at low pressure
Discovered in 1932 -
correct answer ✅neutrons, discovered by James Chadwick
Caused large deflections of alpha particles in Rutherford's
experiment -
correct answer ✅nucleus
Has a charge of 1- -
correct answer ✅the charge of an electron
Has no charge -
correct answer ✅neutron
Contains nearly all of an atom's mass -
correct answer ✅nucleus
, CMAC Chapter 4 Practice and Review
Exam Questions and Answers (Latest
Update 2026)
In an atom, the number of these particles is equal to the number of
protons -
correct answer ✅electron
Identified by Thompson -
correct answer ✅electron
Site of an atom's positive charge -
correct answer ✅nucleus
Has a positive charge and a relative mass of 1 -
correct answer ✅proton
The center of an atom -
correct answer ✅nucleus
Symbolized by n⁰ -
correct answer ✅neutron
Exam Questions and Answers (Latest
Update 2026)
Cathode Ray -
correct answer ✅a stream of electrons produced at the negative
electrode (cathode) of a tube containing a gas at low pressure
Discovered in 1932 -
correct answer ✅neutrons, discovered by James Chadwick
Caused large deflections of alpha particles in Rutherford's
experiment -
correct answer ✅nucleus
Has a charge of 1- -
correct answer ✅the charge of an electron
Has no charge -
correct answer ✅neutron
Contains nearly all of an atom's mass -
correct answer ✅nucleus
, CMAC Chapter 4 Practice and Review
Exam Questions and Answers (Latest
Update 2026)
In an atom, the number of these particles is equal to the number of
protons -
correct answer ✅electron
Identified by Thompson -
correct answer ✅electron
Site of an atom's positive charge -
correct answer ✅nucleus
Has a positive charge and a relative mass of 1 -
correct answer ✅proton
The center of an atom -
correct answer ✅nucleus
Symbolized by n⁰ -
correct answer ✅neutron
