Nuclear Decay Equations

Np-239 emits a beta particle. What element is the other product?

• Th-239

• U-239

• Pu-239

• Pu-238

Tags

NGSS.HS-PS1-8

What element is the ?

• Ag-115

• Cd-115

• Pd-115

• Not Listed

Tags

NGSS.HS-PS1-8

If Thorium-234 undergoes a beta decay, What element will be left in its place?

• Actinium-234

• Thorium-233

• Protactinium-234

• Radium-230

Tags

NGSS.HS-PS1-8

If a sample decays via beta radiation how does its mass change?  

• 4

• 2

• 1

• 0

Tags

NGSS.HS-PS1-8

When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....

• remains the same

•   decreases by one.

• increases by one.

• increases by two.

Tags

NGSS.HS-PS1-8

After writing alpha decay equation, what did you notice?

• mass number on the left is equal to mass number to the right

• the atomic number on the left is equal to the atomic number on the right

• mass is conserved (does not chage)

• a new nuclei or atom is created.

Tags

NGSS.HS-PS1-8

NGSS.HS-PS1-7

After writing the nuclear equations for beta decay, what did you notice?

• mass number on the left is equal to mass number to the right

• the atomic number on the left is equal to the atomic number on the right

• mass is conserved (does not chage)

• a new nuclei or atom is created.

Tags

NGSS.HS-PS1-8

The process of nuclear change in an atom of radioactive material is called... 

• nuclear decay

• nuclear mass

• isotopes

• radon

Tags

NGSS.HS-PS1-8

When an alpha particle is emitted from the nucleus, whar else is also emitted?

• another alpha particle

• gamma rays

• beta particles

• theta particles

Tags

NGSS.HS-PS1-8

How does alpha particle emission change the nucleus?

• change the mass number of the atom by 4

• decrease the number of protons by 2

• decrease the number of neutrons by 2

• create a new atom

Tags

NGSS.HS-PS1-8