Guide 2026 Exam Questions
and Answers | Already Graded
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The earliest atomic theory based on an arrangement similar to the solar
system is attributed to - ANSWER ✔✔Rutherford.
The three fundamental particles of the atom are the - ANSWER
✔✔neutron, electron, and proton.
The atomic nucleus contains - ANSWER ✔✔protons and neutrons.
, The component of the nucleus that has a positive charge and mass is
the - ANSWER ✔✔proton.
The electron shell closest to the nucleus is lettered - ANSWER
✔✔"K".
Which of the following is not part of the electromagnetic spectrum? -
ANSWER ✔✔Sound
Which of the following electromagnetic radiations have the lowest
energy level? - ANSWER ✔✔Radio waves
As the wave's frequency increases, the wavelength - ANSWER
✔✔decreases.
Frequency is typically measured in - ANSWER ✔✔hertz.
The process of removing an electron from an atom is - ANSWER
✔✔ionization.
X-rays are produced - ANSWER ✔✔using fast-moving electrons.
Which of the following helps to keep the x-ray tube cool on the inside of
the protective housing? - ANSWER ✔✔Cooling fans and an oil bath