LRA 211 – Final Review Study Guide – Exam Questions and Answers – Graded A+ (Latest Update)

LRA 211 FINAL REVIEW STUDY GUIDE
EXAM QUESTIONS AND ANSWERS
GRADED A+ LATEST UPDATE.




The earliest atomic theory based on an arrangement similar to
the solar system is attributed to ANS >> Rutherford.


The three fundamental particles of the atom are the ANS >>
neutron, electron, and proton.


The atomic nucleus contains ANS >> protons and neutrons.


The component of the nucleus that has a positive charge and
mass is the ANS >> proton.

, The electron shell closest to the nucleus is lettered ANS >> “K".


Which of the following is not part of the electromagnetic
spectrum? ANS >> Sound


Which of the following electromagnetic radiations have the
lowest energy level? ANS >> Radio waves


As the wave's frequency increases, the wavelength ANS >>
decreases.


Frequency is typically measured in ANS >> hertz.


The process of removing an electron from an atom is ANS >>
ionization.


X-rays are produced ANS >> using fast-moving electrons.


Which of the following helps to keep the x-ray tube cool on the
inside of the protective housing? ANS >> Cooling fans and an oil
bath