Nuclear Decay

Nuclear reactions involve the particles in the ____.

• electron cloud
• neutrons
• nucleus
• half-life

Tags

NGSS.HS-PS1-8

The least penetrating type of radiation

• Alpha particle
• Beta particle
• gamma ray

Which particle of nuclear radiation penetrates the most material (making it the most harmful)?

• alpha particle

• beta particle

• gamma particle

• omega particle

A particle made up of two protons and two neutrons, identical to a helium atom, ejected from a nucleus during a nuclear reaction:

• alpha particle

• beta particle

• gamma particle

• omega particle

Tags

NGSS.HS-PS1-8

What is a beta particle?

• proton
• positron
• electron
• neutrino

Tags

NGSS.HS-PS1-8

Carbon-14 decays by emitting a beta particle, producing

• boron-14
• carbon-12
• nitrogen-14
• beryllium-10

Tags

NGSS.HS-PS1-8

Which of the following is the nuclear symbol for a beta particle?

• 4 He

  2

• 0 e

  -1

• 0 Y

  0

• 2 H

  4

Tags

NGSS.HS-PS1-8

What element is left when Rn-226 decays by an alpha particle?

• Fr-222

• Ra-222

• Pb-222

• Po-222

Tags

NGSS.HS-PS1-8

What is an alpha particle?

• a charged electron that is emitted during certain types of radioactive decay

• particles released during electromagnetic radition

• positively charged particle composed of two neutrons and two protons

• negatively charged particle that orbits the nucleus

Tags

NGSS.HS-PS1-8

What is a beta particle?

• created when a neutron changes into a proton and an electron

• created when a proton changes into a neutron and an electron

• composed of two protons and two neutrons

• negatively charged nucleus

Tags

NGSS.HS-PS1-8