Nuclear Stability

If Carbon has 6 protons, how many neutrons are likely to create a stable nucleus?

Remember: N is Neutron and P is Proton!

• 3

• 9

• 6

If Tin has 50 protons, how many neutrons will most likely create a stable nucleus?

• 25 neutrons

• 50 neutrons

• 75 neutrons

What is the neutron:proton ratio of Carbon-14?

• 8:6

• 3:4

• 6:8

• 4:3

For a small nuclei like these carbon isotopes, what is the most stable ratio of neutrons to protons?

• 1:1

• 1:3

• 1:5

• 1:7

Take Note:

Proton > 83 are too heavy.

They will undergo ​ (a)   decay.

• alpha
• beta
• gamma
• positron

The turquoise area has nuclei that have too many ​ (a)   .

• neutrons
• protons
• electrons
• quarks

What type of decay will occur in the turquoise area?

• Alpha

• Beta

• Positron

• Gamma

A nuclei that falls on the orange region has _______. SELECT ALL THAT APPLY!

• too many protons

• too few neutrons

• too few protons

• too many neutrons

If a nucleus has more than 83 protons, what type of decay occurs?

• Alpha Decay

• Beta Decay

• Gamma Decay

• Positron Emission