Unit 5 Concept 2 Nuclear Chemistry

Multiple Choice

What makes up the nucleus of an atom?

• Neutrons and electrons
• Protons and neutrons
• Electrons and protons
• Protons and photons

Multiple Choice

What is the emission of radiation called?

• decay

• reactivity

• particles

• radioactivity

Multiple Choice

The particles released from a radioactive nucleus.

• Atoms

• Nuclei

• Radioactivity

• Radiation

Multiple Choice

What is it called when an atom loses energy or particles from its nucleus?

• radioactive decay
• proton emission
• atomic disintegration
• nuclear fusion

Multiple Choice

What type of radiation involves a neutron changing to a proton?

• Alpha decay
• Electron capture
• Beta decay
• Gamma decay

Multiple Choice

What type of radiation releases 2 protons and 2 neutrons from the nucleus?

• X-ray radiation
• Alpha radiation
• Gamma radiation
• Beta radiation

Multiple Choice

What radiation is the release of high energy waves?

• Alpha decay

• Beta decay

• Gamma radiation

• Ionizing radiation

Multiple Choice

Nuclear fusion occurs when...

• two electrons combine to form a heavier electron
• two protons combine to form a heavier proton
• two neutrons combine to form a heavier neutron
• two atomic nuclei combine to form a heavier nucleus

Multiple Choice

Nuclear fission occurs when...

• the nucleus of an atom disappears
• the nucleus of an atom remains unchanged
• the nucleus of an atom combines with another nucleus
• the nucleus of an atom splits into two or more smaller nuclei