RADT 1065 Chapter 2 Test
Questions and Answers All
Correct
How many atoms are there in one molecule of sodium bicarbonate (NaHCO3)? -
Answer ✔ 6
Which of the following physicists had a major part in describing the atom as we know it
today? - Answer ✔ Bohr
The periodic chart of elements is attributed to: - Answer ✔ Dimitri Mendeleev
Rutherford made what significant contribution to science? - Answer ✔ description of the
nuclear atom
The difference between x-rays and gamma rays is: - Answer ✔ their origin
Which of the following types of radiation are emitted from outside of the nucleus?
Alpha Particles, Beta Particles, Gamma rays, Neutrinos, X-rays - Answer ✔ X-Rays
A single unit of electromagnetic radiation is also called a - Answer ✔ photon
The frequency of electromagnetic radiation is - Answer ✔ measured in hertz or cycles
per second
When one uses the sine wave as a model - Answer ✔ the distance from one peak to the
next is the wavelength
The frequency of a sine wave is - Answer ✔ the number of valleys that pass per second
When considering the electromagnetic spectrum, photons of a radio broadcast have
relatively - Answer ✔ low energy and long wavelengths
The principle difference between x-rays and gamma rays is their - Answer ✔ origin
Questions and Answers All
Correct
How many atoms are there in one molecule of sodium bicarbonate (NaHCO3)? -
Answer ✔ 6
Which of the following physicists had a major part in describing the atom as we know it
today? - Answer ✔ Bohr
The periodic chart of elements is attributed to: - Answer ✔ Dimitri Mendeleev
Rutherford made what significant contribution to science? - Answer ✔ description of the
nuclear atom
The difference between x-rays and gamma rays is: - Answer ✔ their origin
Which of the following types of radiation are emitted from outside of the nucleus?
Alpha Particles, Beta Particles, Gamma rays, Neutrinos, X-rays - Answer ✔ X-Rays
A single unit of electromagnetic radiation is also called a - Answer ✔ photon
The frequency of electromagnetic radiation is - Answer ✔ measured in hertz or cycles
per second
When one uses the sine wave as a model - Answer ✔ the distance from one peak to the
next is the wavelength
The frequency of a sine wave is - Answer ✔ the number of valleys that pass per second
When considering the electromagnetic spectrum, photons of a radio broadcast have
relatively - Answer ✔ low energy and long wavelengths
The principle difference between x-rays and gamma rays is their - Answer ✔ origin
