Nucleus of an Atom
Why does the nucleus of an atom stay together? - Answer The strong force
What are the four basic forces in nature? - Answer Gravity, electric, strong, and weak
The strong forces causes ____ and ____ to be attracted to one another - Answer
Protons, neutrons
The strong forces only works in - Answer Small distances
Radioactivity - Answer The spontaneous release of particles and or rays from unstable
nuclei
The bigger the nucleus, the more ______ it is - Answer unstable
Nuclear Decay - Answer When nuclei decay and particles are emitted
Alpha particles have ____ protons - Answer 2
What is the charge of an alpha particle? - Answer +2 (positive)
An alpha particle is the same as a _____ nucleus - Answer Helium
what are three characteristics of alpha particles - Answer big, slow, positive
Paper is thin enough to block ____ particles - Answer alpha
Beta particles are ____ charged - Answer negatively
What are three characteristics of beta particles - Answer small, fast, negative
A beta particle is the same as a(n) - Answer electron
A couple layers of foil are enough to stop _____ particles - Answer beta
The weak force is responsible for ______ - Answer beta decay
When a neutron splits into a proton and an electron - Answer The weak force
What are three characteristics of gamma rays - Answer no mass, no charge, travel at
the speed of light
_____ rays aren't made of matter - Answer gamma
A lead block is enough to block _____ - Answer gamma rays
Why does the nucleus of an atom stay together? - Answer The strong force
What are the four basic forces in nature? - Answer Gravity, electric, strong, and weak
The strong forces causes ____ and ____ to be attracted to one another - Answer
Protons, neutrons
The strong forces only works in - Answer Small distances
Radioactivity - Answer The spontaneous release of particles and or rays from unstable
nuclei
The bigger the nucleus, the more ______ it is - Answer unstable
Nuclear Decay - Answer When nuclei decay and particles are emitted
Alpha particles have ____ protons - Answer 2
What is the charge of an alpha particle? - Answer +2 (positive)
An alpha particle is the same as a _____ nucleus - Answer Helium
what are three characteristics of alpha particles - Answer big, slow, positive
Paper is thin enough to block ____ particles - Answer alpha
Beta particles are ____ charged - Answer negatively
What are three characteristics of beta particles - Answer small, fast, negative
A beta particle is the same as a(n) - Answer electron
A couple layers of foil are enough to stop _____ particles - Answer beta
The weak force is responsible for ______ - Answer beta decay
When a neutron splits into a proton and an electron - Answer The weak force
What are three characteristics of gamma rays - Answer no mass, no charge, travel at
the speed of light
_____ rays aren't made of matter - Answer gamma
A lead block is enough to block _____ - Answer gamma rays
