Radiation Quiz Section A & B

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Quizzes Created: 3 | Total Attempts: 3,658

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1/15 Questions

What would be the best shield for gamma radiation?
- Skin
- Paper
- Foil
- Wood
- Lead

About This Quiz

You can take this 15 question quiz as many times as you like, only your best score will count. You have a one hour time limit each attempt.
The quiz will be open from Tuesday (10/25) 7 am until Thursday (10/27) 8 pm.
You can use your notes, book, periodic table, calculator. You See moremay wish to have scratch paper available for calculations.

2.

An isotope has a different mass due to extra neutrons, it is sometime radioactive because of the unstable nucleus.
- True
- False
Correct Answer

A. True

Explanation

Isotopes are atoms of the same element that have different numbers of neutrons in their nucleus. These extra neutrons cause the isotope to have a different mass than the regular atom. Some isotopes are radioactive because the extra neutrons make the nucleus unstable. This instability causes the isotope to decay over time, releasing radiation in the process. Therefore, the statement that an isotope has a different mass due to extra neutrons and is sometimes radioactive because of the unstable nucleus is true.

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3.

Which type of nuclear radiation has the least penetrating power?
- Alpha
- Beta
- Gamma
- X-ray
Correct Answer

A. Alpha

Explanation

Alpha radiation has the least penetrating power among the given options. Alpha particles are large and heavy, consisting of two protons and two neutrons. Due to their size and charge, they interact strongly with matter, causing ionization and losing energy quickly. This results in a short range and low penetrating power, making them easily stopped by a sheet of paper or a few centimeters of air. In contrast, beta particles, gamma rays, and X-rays have higher energies and smaller sizes, allowing them to penetrate further into materials.

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4.

Round your answer to 2 decimal places. Neon-20 makes up 90% of all Neon, Neon-22 makes up 6% of all Neon, and Neon-21 makes up the remaining 4% of Neon. What is the average atomic mass of Neon?

Correct Answer
20.16

Explanation
The average atomic mass of Neon can be calculated by taking the weighted average of the atomic masses of each isotope, based on their abundance. In this case, Neon-20 has an abundance of 90%, Neon-22 has an abundance of 6%, and Neon-21 has an abundance of 4%. To calculate the average atomic mass, we multiply the atomic mass of each isotope by its abundance, and then sum up these values. In this case, (20.00 * 0.90) + (22.00 * 0.06) + (21.00 * 0.04) equals 20.16, which is the average atomic mass of Neon.

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5.

Becquerel's discovered
- Uranium ore (aka pitchblend) was made of polonium & radium
- Cathode rays are negative
- The nucleus is big and positive
- All matter is made of atoms
- Radioactive materials, like uranium, fluoresce on their own and can develop photo-paper
Correct Answer

A. Radioactive materials, like uranium, fluoresce on their own and can develop photo-paper

Explanation

Radioactive materials, like uranium, fluoresce on their own and can develop photo-paper. This statement aligns with the properties of radioactive materials, which have the ability to emit radiation and produce visible light when exposed to certain conditions. Uranium, being a radioactive material, can undergo this process and cause fluorescence. Additionally, this fluorescence can be captured on photo-paper, indicating the ability of radioactive materials to interact with light-sensitive materials.

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6.

Match the subatomic particle with its charge and location
- Proton = positive (nucleus), neutron = negative (nucleus), electron = no charge (orbit)
- Proton = negative (orbit), neutron = no charge (nucleus), electron = positive (nucleus)
- Proton = positive (nucleus), neutron = no charge (nucleus), electon = negative (orbit)
Correct Answer

A. Proton = positive (nucleus), neutron = no charge (nucleus), electon = negative (orbit)

Explanation

The correct answer is proton = positive (nucleus), neutron = no charge (nucleus), electron = negative (orbit). This answer aligns with the known properties of subatomic particles. Protons have a positive charge and are located in the nucleus of an atom. Neutrons have no charge and are also located in the nucleus. Electrons have a negative charge and orbit around the nucleus.

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7.

A Geiger counter used supersaturated air to trace the path of radioactive particles on black paper.
- True
- False
Correct Answer

A. False
8.

Check all that apply, you must get them all to get credit. Atomic mass is composed of
- Electrons
- Protons
- Neutrons
Correct Answer(s)

A. Protons
A. Neutrons

Explanation

Atomic mass is composed of protons and neutrons. Electrons do not contribute significantly to the atomic mass because they have very little mass compared to protons and neutrons. Protons have a positive charge and are located in the nucleus of an atom, while neutrons have no charge and are also found in the nucleus. Together, protons and neutrons make up the majority of the mass of an atom, and their combined number is represented by the atomic mass.

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9.

When measuring annual radiation exposure, the unit commonly used was (HINT: we used it in class to find our exposure)
- Sievert
- Rad
- Mrem
- Rem
- Gray
Correct Answer

A. Mrem

Explanation

The correct answer is mrem. The unit commonly used to measure annual radiation exposure is mrem, which stands for millirem. This unit is commonly used in the field of radiation protection to quantify the amount of radiation that an individual is exposed to over a period of time. It is a smaller unit compared to rem, with 1 rem being equal to 1000 mrem.

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10.

The difference betwen ionizing and non-ionizing radiation is
- Ionizing is not dangerous and the wavelengths are shorter than non-ionizing
- Non-ionizing is not dangerous and the wavelengths are longer than ionizing
- Ionizing has more energy, for example x-rays and UV
- Non-ionizing has more energy, for example the rainbow and AM radio
- Both a and d
- Both b and c
Correct Answer

A. Both b and c

Explanation

Ionizing radiation is dangerous and has shorter wavelengths than non-ionizing radiation. It has more energy and includes x-rays and UV radiation. Non-ionizing radiation is also not dangerous, but it has longer wavelengths and includes the rainbow and AM radio. Therefore, the correct answer is both b and c, as both statements are true.

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11.

Identify the atomic number, number of protons, number of neutrons, number of electrons, and mass for Carbon-14. You must put the five items in the order above, separated by a slash to get credit. Example: 2/2/2/2/4

Correct Answer
6/6/8/6/14

Explanation
The atomic number of an element is equal to the number of protons in its nucleus. Carbon-14 has an atomic number of 6, indicating that it has 6 protons. The number of neutrons can be calculated by subtracting the atomic number from the mass number. In this case, Carbon-14 has a mass number of 14 and an atomic number of 6, so it has 8 neutrons (14 - 6 = 8). The number of electrons in a neutral atom is equal to the number of protons, so Carbon-14 has 6 electrons. Lastly, the mass of Carbon-14 is 14 atomic mass units (AMU).

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12.

Nuclear radiation includes gamma rays, beta particles, alpha particles, UV, and x-rays.
- True
- False
Correct Answer

A. False

Explanation

The statement is incorrect. Nuclear radiation includes gamma rays, beta particles, and alpha particles, but UV and x-rays are not forms of nuclear radiation. UV radiation comes from the sun and x-rays are a form of electromagnetic radiation. Therefore, the correct answer is false.

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13.

Check all that apply, you must get them all to get credit. Rutherford's discoveries include
- Electron cloud
- Large nucleus
- Positive nucleus
- Planetary model
- Gold foil experiment
Correct Answer(s)

A. Large nucleus
A. Positive nucleus
A. Gold foil experiment

Explanation

Rutherford's discoveries include the large nucleus and the positive nucleus. Through his gold foil experiment, Rutherford observed that most of the alpha particles passed straight through the foil, indicating that the atom is mostly empty space. However, a small fraction of the alpha particles were deflected at large angles, suggesting the presence of a dense, positively charged nucleus at the center of the atom. This experiment provided evidence for the existence of a large, positively charged nucleus in the atom.

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14.

Uranium-234 decays by alpha emission. What new decay product is produced? Include the element symbol, mass, and atomic number, in order, separated by slashes, to get credit. Example: Rn/222/86

Correct Answer(s)
Ra/230/88
15.

Carbon-14 decays by beta emission. What new decay product is produced? Include the element symbol, mass, and atomic number, in order, separated by slashes, to get credit. Example: Rn/222/86

Correct Answer(s)
O/14/8

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Mar 19, 2023

Quiz Edited by
ProProfs Editorial Team
Oct 24, 2011

Quiz Created by
Apouliot

Radiation Quiz Section A & B

What would be the best shield for gamma radiation?

Quiz Preview

An isotope has a different mass due to extra neutrons, it is sometime radioactive because of the unstable nucleus.

Which type of nuclear radiation has the least penetrating power?

Round your answer to 2 decimal places. Neon-20 makes up 90% of all Neon, Neon-22 makes up 6% of all Neon, and Neon-21 makes up the remaining 4% of Neon. What is the average atomic mass of Neon?

Becquerel's discovered

Match the subatomic particle with its charge and location

A Geiger counter used supersaturated air to trace the path of radioactive particles on black paper.

Check all that apply, you must get them all to get credit. Atomic mass is composed of

When measuring annual radiation exposure, the unit commonly used was (HINT: we used it in class to find our exposure)

The difference betwen ionizing and non-ionizing radiation is

Identify the atomic number, number of protons, number of neutrons, number of electrons, and mass for Carbon-14. You must put the five items in the order above, separated by a slash to get credit. Example: 2/2/2/2/4

Nuclear radiation includes gamma rays, beta particles, alpha particles, UV, and x-rays.

Check all that apply, you must get them all to get credit. Rutherford's discoveries include

Uranium-234 decays by alpha emission. What new decay product is produced? Include the element symbol, mass, and atomic number, in order, separated by slashes, to get credit. Example: Rn/222/86

Carbon-14 decays by beta emission. What new decay product is produced? Include the element symbol, mass, and atomic number, in order, separated by slashes, to get credit. Example: Rn/222/86