Unstable Nuclei

Is the process in which an unstable atomic nucleus emits charged particles and energy 

• radioactivity 
• radioisotope
• beta decay
• background radiation 

Tags

NGSS.HS-PS1-8

Any atom containing an unstable nucleus is called

• radioisotope
• unisotope
• particles
• nuclei

Tags

NGSS.HS-PS1-8

True or False:  During nuclear decay atoms of one element can change into atoms of a different element altogether. 

• True
• False

Tags

NGSS.HS-PS1-8

Charged particles and energy that are emitted from the nuclei of radioisotopes.

• nuclear radiation
• nuclear decay
• beta particles
• alpha particles

Tags

NGSS.HS-PS1-8

This is the type of radiation that naturally occurs in the environment and is generally safe.

• background radiation
• environment radiation
• ionizing radiation

What would two different isotopes of an atom have in common?

• Number of neutrons 
• Number of protons
• Atomic weight 
• Atomic mass

Tags

NGSS.HS-PS1-8

An isotope of an element has the same number of _________, but a different number of _________.

• Protons, electrons
• Protons, neutrons
• Electrons, neutrons

Tags

NGSS.HS-PS1-8

Which process involves the splitting of large nuclei?

• alpha decay
• nuclear fusion
• beta decay
• nuclear fission

Tags

NGSS.HS-PS1-8

What type of nuclear reaction occurs in the Sun?

• Nuclear fission
• beta decay
• alpha decay
• Nuclear fusion

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

Both a fusion reaction and a fission reaction produce 

• heat (energy)
• light
• sound
• magnetism

Tags

NGSS.HS-PS1-8