Radioactivity Quiz

Who discovered radioactivity in 1896?

• Henri Becquerel

• Marie Curie

• Pierre Curie

• William Rankine

What did Henri Becquerel use to discover radioactivity?

• Geiger counter

• Lead shield

• Photographic film

• Fluorescent screen

What is the definition of radioactivity?

• The spontaneous transformation of unstable nuclei into other nuclei with the emission of radiation

• The transformation of stable nuclei into unstable nuclei

• The emission of light from a substance

• The absorption of radiation by a substance

What force holds the nucleus together?

• Electrostatic force

• Gravitational force

• Strong nuclear force

• Weak nuclear force

What is the stable form of carbon?

• Carbon-16

• Carbon-14

• Carbon-18

• Carbon-12

What is an isotope?

• Atoms with the same number of protons and neutrons

• Atoms with the same number of neutrons but different numbers of protons

• Atoms with the same number of protons but different numbers of neutrons

• Atoms with different numbers of protons and neutrons

What is the law of conservation of mass and energy?

• Mass can be converted into energy but not vice versa

• Energy can be converted into mass but not vice versa

• Mass and energy are conserved in a closed system

• Mass and energy can be created and destroyed

What is alpha decay?

• The absorption of an alpha particle by a nucleus

• The emission of an alpha particle from a nucleus

• The emission of a beta particle from a nucleus

• The emission of gamma radiation from a nucleus

What is a beta particle?

• A proton

• A neutron

• An electron

• A positron

What is gamma radiation?

• High-energy particles

• Low-energy particles

• Low-energy electromagnetic radiation

• High-energy electromagnetic radiation