What is the primary change that occurs during a nuclear reaction?

A nuclear reaction involves a change in the number of protons and neutrons in an atom's nucleus.

Alpha decay results in the emission of which particle?

Alpha decay results in the emission of an alpha particle, which consists of two protons and two neutrons.

True or False: In beta decay, a proton is transformed into a neutron.

False. In beta decay, a neutron is transformed into a proton.

Fill in the blank: Gamma decay emits a high-energy ___ as the nucleus rearranges itself.

Photon

What defines an isotope of an element?

An isotope of an element is defined by having the same number of protons but different numbers of neutrons.

Riddle: I can transform from one element to another without a sign, only radiation to show my design. What am I?

A nuclear reaction.

Which type of decay is characterized by the emission of radiation without changing the nucleus's composition?

Gamma decay.

What is a significant risk posed to astronauts during long-term space travel?

Cosmic radiation, mainly composed of high-energy photons or gamma radiation.

What happens to the atomic number during beta decay?

The atomic number increases by one as a neutron is converted into a proton.

Fill in the blanks: The process of nuclear reactions can be likened to ___, transforming atoms from one element to another.

Alchemy