Under the standard model, what are protons and neutrons composed of?

• electrons

• quarks

• atoms

• neutrons

What is the name of the particles of light?

• protons

• photons

• atomic particles

• infrared

Which are real life uses of nuclear phenomena?

• nuclear power plant

• radiation therapy

• smoke detectors

• stars shining

• erupting volcano

Most of the mass of an atom is located in its...

• isotopes
• electrons
• nucleus
• electric charge

The greater the number of protons in the nucleus, the

• larger the orbits of the outermost electron
• the tighter the orbits of all electrons
• the looser the inner orbits become
• the more electrically neutral the atom becomes

In the nucleus, the strong is a relatively

• long range force
• neutralizing force
• unstable force
• short range force

What are fundamental particles?

• Quarks

• Electrons

• Protons

• Neutrons

When an atom emits a photon, which of the following happen? (Check all that apply)

• The energy of the photon is the same as the difference between energy levels

• An electron goes from a higher excited level to a lower energy level

• An electron goes from a lower energy state to an excited state

• We call this radioactive decay

In a Bohr model, what is the state called when electrons have absorbed energy?

• Excited State
• Ground State
• Quantum State
• Emission State

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• decay
• gamma radiation

Tags

NGSS.HS-PS1-8