Radioactive Decay Trivia Quiz

2.

Which type of decay leads to this change:

Beta
Alpha

Correct Answer

A. Alpha

Explanation

Alpha decay is a type of radioactive decay where an atomic nucleus emits an alpha particle, which consists of two protons and two neutrons. This leads to a change in the atomic number and mass number of the nucleus. Alpha decay occurs in heavy and unstable nuclei in order to achieve a more stable configuration. Therefore, the correct answer for this question is alpha decay.

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3.

Which type of decay leads to the following change:

Alpha
Beta

Correct Answer

A. Beta

Explanation

Beta decay is a type of radioactive decay in which a beta particle (either an electron or a positron) is emitted from the nucleus. This leads to a change in the atomic number of the nucleus, as a neutron is converted into a proton or vice versa. In the given question, the change mentioned is "beta", indicating that beta decay is responsible for this type of radioactive decay.

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4.

Which type of decay leads to the following change:

Beta
Alpha
Answer option 3
Answer option 4

Correct Answer

A. Beta

Explanation

The given answer, "beta," refers to a type of decay that leads to the change described in the question. Beta decay occurs when a nucleus emits a beta particle, which can be either an electron or a positron, resulting in the transformation of a neutron into a proton or vice versa. This type of decay is characterized by the emission of high-energy particles and is commonly observed in radioactive isotopes.

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5.

When writing an equation of alpha-decay for , you will change the atomic mass number to

234
232
236
230

Correct Answer

A. 230

Explanation

When writing an equation for alpha-decay, the atomic mass number of the parent nucleus decreases by 4 and the atomic number decreases by 2. Therefore, the correct answer is 230, as it is the only option that fulfills this condition.

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6.

When writing an equation for beta-decay for , you will change the atomic mass number to

234
232
236
230

Correct Answer

A. 234

Explanation

In beta decay, a neutron is converted into a proton, and a high-energy electron (beta particle) is emitted from the nucleus. The atomic mass number remains the same, as it represents the total number of protons and neutrons in the nucleus. Therefore, the correct answer is 234, as it signifies that the atomic mass number does not change during beta decay.

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7.

When writing an equation of beta-decay for , you will change the atomic number to

90
92
88
91
89

Correct Answer

A. 91

Explanation

In beta decay, a neutron is converted into a proton, resulting in an increase in the atomic number by one. Therefore, when writing an equation of beta decay for an element, the atomic number will be changed to the next higher number. In this case, since the original atomic number is not given, we can assume it to be 90. Thus, the correct answer is 91, as it represents the new atomic number after beta decay.

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8.

When writing an equation of alpha-decay for , you will change the atomic number to

90
92
88
91
89

Correct Answer

A. 88

Explanation

In alpha decay, an alpha particle (which consists of two protons and two neutrons) is emitted from the nucleus of an atom. This results in the atomic number decreasing by 2 and the mass number decreasing by 4. Therefore, when writing an equation of alpha-decay for an atom with an atomic number of 90, the new atomic number would be 88.

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9.

Which radiation has the highest penetrating power?

Alpha
Beta
Gamma
Answer option 4

Correct Answer

A. Gamma

Explanation

Gamma radiation has the highest penetrating power compared to alpha and beta radiation. This is because gamma radiation consists of high-energy photons that can easily penetrate matter, including thick barriers and shielding materials. Alpha particles, on the other hand, are relatively large and heavy, causing them to interact more readily with matter, resulting in less penetration. Beta particles, which are high-speed electrons or positrons, have intermediate penetrating power compared to alpha and gamma radiation. Therefore, gamma radiation is the correct answer as it can penetrate the most.

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10.

Gamma rays have

No mass
A huge mass
A small mass
An average mass

Correct Answer

A. No mass

Explanation

Gamma rays have no mass because they are a form of electromagnetic radiation. Electromagnetic waves, including gamma rays, are composed of photons, which are massless particles. Therefore, gamma rays do not have any mass.

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11.

Which radiation has the lowest penetrating power?

Alpha
Beta
Gamma
Answer option 4

Correct Answer

A. Alpha

Explanation

Alpha radiation has the lowest penetrating power compared to beta and gamma radiation. Alpha particles consist of two protons and two neutrons, making them relatively large and heavy. Due to their size and charge, they interact strongly with matter, causing them to lose energy quickly and have a limited ability to penetrate materials. This is why alpha radiation can be easily stopped by a sheet of paper or a few centimeters of air. In contrast, beta and gamma radiation, which consist of smaller particles or electromagnetic waves, have higher penetrating power and can pass through thicker materials.

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12.

Gamma rays are

Rays of particles
Waves of particles
Electromagnetic waves
Visible light rays

Correct Answer

A. Electromagnetic waves

Explanation

Gamma rays are a type of electromagnetic waves. They have the highest frequency and shortest wavelength in the electromagnetic spectrum. They are produced through nuclear reactions, radioactive decay, and high-energy particle interactions. Gamma rays have the ability to penetrate through matter and are used in various fields such as medicine, industry, and research. Therefore, the correct answer is electromagnetic waves.

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13.

Examples of gamma rays emitted during an alpha or beta decay are

Infrared waves
Radio waves
X-rays
Microwaves

Correct Answer

A. X-rays

Explanation

During alpha or beta decay, high-energy particles are emitted from the nucleus. Gamma rays are a type of electromagnetic radiation with very high energy and frequency. X-rays, on the other hand, are also a form of electromagnetic radiation but with slightly lower energy compared to gamma rays. Since both gamma rays and X-rays are part of the electromagnetic spectrum, it is possible for gamma rays to be emitted during alpha or beta decay. Therefore, X-rays can be considered as examples of gamma rays emitted during alpha or beta decay.

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14.

Isotopes of the same element have a different

Number of protons
Number of electrons
Number of neutrons
Atomic number

Correct Answer

A. Number of neutrons

Explanation

Isotopes of the same element have a different number of neutrons. Isotopes are variants of an element that have the same number of protons and electrons but differ in the number of neutrons. This difference in neutron number results in isotopes having different atomic masses. Therefore, the correct answer is the number of neutrons.

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3

15.

The process in which one nucleus falls apart into two nuclei of smaller masses is called

Fission
Fusion
Explosion
Atomic bomb

Correct Answer

A. Fission

Explanation

Fission is the correct answer because it refers to the process in which one nucleus breaks apart into two nuclei of smaller masses. This process typically occurs in heavy atomic nuclei, such as uranium or plutonium, and releases a large amount of energy. Fission is the basis for nuclear power reactors and atomic bombs, making it a significant concept in the field of nuclear physics.

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16.

The process in which two nuclei combine into one is called

Fission
Fusion
Explosion
Atomic bomb

Correct Answer

A. Fusion

Explanation

Fusion is the process in which two nuclei combine into one. This occurs when the nuclei are brought close enough together that the strong nuclear force overcomes the electrostatic repulsion between the positively charged protons in the nuclei. Fusion is the process that powers the sun and other stars, as well as hydrogen bombs. It is the opposite of fission, which is the process in which a nucleus splits into two smaller nuclei. Explosion and atomic bomb are not accurate descriptions of the process of two nuclei combining into one.

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Radioactive Decay Trivia Quiz

Which type of decay leads to the change:

Quiz Preview

Which type of decay leads to this change:

Which type of decay leads to the following change:

Which type of decay leads to the following change:

When writing an equation of alpha-decay for , you will change the atomic mass number to

When writing an equation for beta-decay for , you will change the atomic mass number to

When writing an equation of beta-decay for , you will change the atomic number to

When writing an equation of alpha-decay for , you will change the atomic number to

Which radiation has the highest penetrating power?

Gamma rays have

Which radiation has the lowest penetrating power?

Gamma rays are

Examples of gamma rays emitted during an alpha or beta decay are

Isotopes of the same element have a different

The process in which one nucleus falls apart into two nuclei of smaller masses is called

The process in which two nuclei combine into one is called