25.1 Nuclear Decay VL Questions

What are the three subatomic particles?

• protons, neutrons, and positrons.
• protons, neutrons, and electrons
• protons, electrons, and quarks.
• photons, neutrons, and electrons.

What is the mass number?

• The mass number is the total number of electrons in an atomic nucleus.
• The mass number is the total number of protons and neutrons in an atomic nucleus.
• The mass number is the total number of neutrons in an atomic nucleus.
• The mass number is the total number of protons in an atomic nucleus.

A oxygen atom has a mass number of 16, how many protons and nuetrons are in the nucleus of the oxygen atom?

• 10 protons and 6 neutrons
• 4 protons and 12 neutrons
• 8 protons and 8 neutrons
• 6 protons and 10 neutrons

Tags

NGSS.MS-PS1-1

What is radioactive?

• Radioactive substances are harmless to humans.
• Radioactive substances emit radiation.
• Radioactive substances emit light.
• Radioactive substances do not emit any radiation.

Tags

NGSS.HS-PS1-8

What is nuclear decay?

• The process by which an unstable atomic nucleus combines with another nucleus to form a larger nucleus.
• The process by which an unstable atomic nucleus splits into two smaller nuclei.
• The process by which an unstable atomic nucleus gains energy by absorbing radiation.
• The process by which an unstable atomic nucleus loses energy by emitting radiation.

Tags

NGSS.HS-PS1-8

What is an alpha particle, α, made of?

• A type of particle that consists of two neutrons and two electrons bound together.
• A type of particle that consists of two protons and two electrons bound together.
• A type of particle that consists of two electrons and two protons bound together.
• A type of particle that consists of two protons and two neutrons bound together

What is alpha decay?

• Alpha decay is a type of radioactive decay in which an atomic nucleus emits a beta particle.
• Alpha decay is a type of radioactive decay in which an atomic nucleus emits a gamma ray.
• Alpha decay is a type of radioactive decay in which an atomic nucleus emits a neutron.
• Alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle.

Tags

NGSS.HS-PS1-8

What is beta decay?

• Beta decay is a type of radioactive decay in which a beta particle (either an electron or a positron) is emitted from an atomic nucleus, resulting in the transformation of a neutron into a proton or a proton into a neutron.
• Beta decay is a type of radioactive decay in which a neutron is emitted from an atomic nucleus.
• Beta decay is a type of radioactive decay in which a gamma ray is emitted from an atomic nucleus.
• Beta decay is a type of radioactive decay in which an alpha particle is emitted from an atomic nucleus.

Tags

NGSS.HS-PS1-8

What is a beta particle?

• A beta particle is a type of subatomic particle that is emitted during nuclear fission.
• A beta particle is a type of particle that is found in the nucleus of an atom.
• A beta particle is a type of particle that is emitted during nuclear fusion.
• A beta particle is a high-energy electron or positron emitted by certain types of radioactive decay.

Tags

NGSS.HS-PS1-8

What is a positron?

• A positron is a subatomic particle with a larger mass than an electron.
• A positron is a subatomic particle with the same mass as an electron but with a positive charge.
• A positron is a subatomic particle with the same mass as an electron but with a negative charge.
• A positron is a subatomic particle with no charge.