Nuclear Equations and Half Life Close Reading

Which type of reaction is this?

• chemical

• fission

• fusion

• radioactive decay

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-8

Which type of reaction is this?

• chemical

• fission

• fusion

• radioactive decay

Tags

NGSS.HS-PS1-8

This term refers to the amount of time it takes for half of a certain substance to undergo radioactive decay.

• alpha life

• beta life

• radioactivity time

• half-life

Tags

NGSS.HS-PS1-8

In alpha decay, a ________ particle breaks off of an atom.

• hydrogen

• helium

• carbon

• lithium

Tags

NGSS.HS-PS1-8

In beta decay, a(n) ___________ is emitted.

• gamma ray

• electron

• neutron

• helium particle

Tags

NGSS.HS-PS1-8

Which spot represents the MASS NUMBER?

Tags

mass number

isotope notation

nuclear symbol

Which spot represents the ATOMIC NUMBER (protons)?

Tags

atomic number

isotope notation

nuclear symbol

Match the following

• alpha

• 
• beta

• 
• gamma

• 

Tags

alpha

beta

gamma

nuclear decay

Organize these options into the right categories

Groups:

(a) alpha decay

,

(b) beta decay

,

(c) gamma radiation

• fast moving electron

• very strong - stopped by a thick piece of lead

• mass number doesn't change but atomic number goes up by 1

• mass number decreases by 4

• 
• 
• 
• 
• 
• 
• mass of 0 and -1 charge

• mass number & atomic number stay the same

• 0 mass and 0 charge

• very weak - stopped by a piece of paper

• stopped by aluminum foil

• Helium nucleus

• mass of 4 and +2 charge

• atomic number decreases by 2

Tags

alpha

beta

gamma

nuclear decay

Which equation shows the correct alpha decay for Am-242?

Tags

alpha